Prologue: A leader's words are the engine that moves the team.

Chapter 1.
A single word from a leader determines the direction of the team.
1.
"I don't know why you told me to do that." The real reason your teammates don't respond to your commands.
2.
"Isn't this enough?" How to Converse When Authority Is Shaky
3.
"So?" The Art of Answering Without Going Gray
4.
“Well, so, so…….” A sentence that saves a leader who is always on the lookout

Chapter 2.
Trust begins with consistency of words.
1.
"It was my fault." Saying this without avoiding responsibility
2.
"What the heck are the standards?" The language habits of a leader with integrity
3.
"I'll take care of that." Three ways to escape the team leader's trap
4.
“I had an accident.” The first sentence you say to the team member who caused the accident.
5.
"You really do what you say." The linguistic habits of leaders who do what they say.
6.
“You seem to be feeling a little different.” Don’t let your emotions become your attitude.
*A leader's emergency prescription for when you're at a loss for words 1.
Q.
I think my team members listen to the manager more than I do.

Chapter 3.
Leadership skills are determined by the temperature of the words.
1.
I said, 'Good job, good job!' and...
The negative effects of excessive praise
2.
"Let's talk about that later." Postponing an uncomfortable conversation can lead to a bombshell.
3.
The feedback formula is perfected with the taboo detail, "You'll figure it out."
4.
"I couldn't help it back then." Instead of making excuses, speak with responsibility.
5.
"Whose side are you on, Team Leader?" Three conversational strategies to consider when faced with a difficult situation.
6.
“…….” Reading the message hidden in silence
*A leader's emergency prescription for when you're at a loss for words 2.
Q.
I just said one word and the team atmosphere froze.

Chapter 4.
Awaken your team members' initiative with a single word.
1.
"How far should I go?" Finding the line between intervention and delegation
2.
"That guy is just hopeless." How to Show Strength to a Problematic Teammate
3.
"I just need to work harder." The kindness of a leader that weakens the team.
4.
“Your strength is….” A word from a leader who brings out vision
5.
“I just said one word and they all left.” Don’t let your advice hurt.
6.
"I'm feeling unmotivated these days." The formula for getting even the most listless team members moving.
*3 Emergency Prescriptions for Leaders to Use When You're Speechless
Q.
Even when I ask, "Any opinions?", everyone just lowers their heads.

Chapter 5.
Take control of the meeting with the right words at the right time.
1.
"Let's get together!" Stop holding purposeless meetings.
2.
"My team members' reporting skills are a mess!" Teach them the language of reporting.
3.
"I'm nervous about interviews." How to feel comfortable in one-on-one conversations
4.
"What do you think of this from your perspective?" The Art of Asking Questions That Awaken Initiative
5.
"I can't do that." How to win over a rebellious teammate
6.
"Wait a minute, where are we now?" A phrase that holds back a meeting that's drifting without context.
*A leader's emergency prescription for when you're at a loss for words 4.
Q.
My team members keep misunderstanding my instructions.

Chapter 6.
A Leader's Words That Resonate Across Generations
1.
"That sounds a bit old-fashioned." Listening training that opens your ears
2.
“We don’t use that word these days.” Leader’s words that MZ people immediately respond to
3.
"How far should we trust AI?" Drawing boundaries in the age of technology.
4.
“I said it all with an emoticon.” The swamp of countless meanings contained in a single letter. The exact nature of non-face-to-face feedback.
language
5.
"Are you angry with me?" The right distance for online communication
6.
"No matter what, our team is the best!" You, me, we become one team.

The success or failure of leadership ultimately depends on
It's all about one word

The success or failure of leadership ultimately depends on a single word.
A single sentence thrown out in a meeting, a single line spoken in an interview, or a brief response in a conflict situation determines the team's atmosphere and execution ability.
But most leaders have never learned the 'leader's language'.
This book structurally identifies the reasons why novice leaders are at a loss for words in the most common situations they encounter: the moment when they are struck dumb by the question, "So what?", the moment when the air freezes over with a single line of clumsy feedback, and the moment when a team leader's authority is shaken in a conversation.
Dr. Moon Sung-hoo is a hands-on communications expert with 24 years of practical and leadership experience at the Financial Supervisory Service, Doosan, POSCO, and Hyundai Motor Group, and has since coached leaders at hundreds of companies.
This book, written through his experiences, clearly shows that a leader's words are not mere conveyance, but a 'design language' that moves the team.

The moment when feedback, meetings, and conflicts are blocked
38 Emergency Communication Skills You Can Use Right Away

The book's greatest strength is that it presents 38 quick-response sentences that can be used immediately in those awkward moments when you wonder, "What should I say now?"
A formula for summarizing all those potentially complex moments—when a team member makes excuses, when a meeting goes off the rails, when praise becomes toxic, when silence signals conflict, when a rebellious team member reacts emotionally—in a single sentence, in actual language.
It also systematically organizes the conversation skills necessary for leaders, including the structure of questions that encourage initiative, speaking habits that prevent emotions from spilling over into attitudes, temperature-regulating language that reduces misunderstandings between generations, and key sentence structures that revive the flow of meetings.
As a result, the leader's words become clearer, misunderstandings are reduced, and execution naturally becomes a flowing process within the team.
Through this book, you will find immediately applicable "speech standards" and "conversation blueprints" that will allow you to speak according to your own standards without wavering in any situation.

Changing execution power, trust, and atmosphere
Practical Leadership Language Strategies

A leader's words have the power to move the team's energy, trust, and direction of action, beyond mere expression.
This book uses language patterns discovered in the field to demonstrate how a single statement from a leader can turn the tide, redefine each person's role, and stabilize the rhythm of the entire team.
When you become a leader who knows how to handle sentences, the team's response changes.
Discussions that had been dragging on and on find a center, cracks caused by minor misunderstandings are quickly mended, and the intent of feedback is conveyed without distortion.
The moment the structure of the speech is established, the team gains the strength to stand up again, and the leader holds an unshakable standard in his hands.
Many leaders are torn apart by a single word that can change their day.
Some people lose their momentum because of one sentence, while others rebuild their team with that one sentence.
"Leader's Speech Practice" is a book that organizes the language strategies that create that crossroads in the most practical form.
From a single sentence that corrects a shaky moment to a conversational standard that revives the team's flow, it clearly presents the verbal tools that leaders can immediately use in the field.
Ultimately, this book will be the most practical answer any leader struggling with words needs to regain their focus and lead their team in the same direction.