Japanese is full of expressive idioms, and four-character idioms, or yojijukugo (四字熟語), are particularly powerful. These compact phrases often carry deep meaning, perfect for motivating yourself or describing a mindset—especially in business.
In this post, we've handpicked ten yojijukugo that are especially useful in professional life. Whether you’re a leader, a team player, or an entrepreneur, these idioms can help sharpen your mindset and inspire those around you.

1. 不撓不屈 (Futō Fukutsu) – Unyielding and Unbreakable
A mindset that refuses to bend or break under pressure.
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2. 切磋琢磨 (Sessa Takuma) – Mutual Improvement Through Friendly Rivalry
A phrase often used to describe teammates or colleagues who push each other to grow.
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3. 精神一到 (Seishin Ittō) – Where There’s Will, There’s a Way
If you focus your spirit, you can overcome any obstacle. Perfect for goal-setting and perseverance.
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4. 泰然自若 (Taizen Jijaku) – Calm and Composed Under Pressure
An ideal trait for leadership—staying cool no matter the situation.
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5. 剛毅果断 (Gōki Kadan) – Strong-Willed and Decisive
For those who act with courage and make tough decisions with conviction.
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6. 明鏡止水 (Meikyō Shisui) – A Clear and Serene Mind
A state of inner calm, clarity, and wisdom—essential for thoughtful decision-making.
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7. 気炎万丈 (Kien Banjō) – Burning with Enthusiasm
A fiery passion that inspires others. Great for presentations, pitches, and motivation.
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8. 百戦錬磨 (Hyakusen Renma) – Seasoned Through a Hundred Battles
Refers to someone who’s experienced, sharp, and ready for anything.
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9. 愚公移山 (Gukō Izan) – Perseverance Can Move Mountains
A classic idiom about never giving up—even when the goal seems impossible.
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10. 日進月歩 (Nisshin Geppo) – Steady Daily Progress
Describes consistent growth. A perfect phrase for lifelong learners and self-improvers.
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Quick Summary Table
Idiom | Reading | Meaning | Use in Business |
---|---|---|---|
不撓不屈 | Futō Fukutsu | Unyielding and Unbreakable | Persevering through challenges |
切磋琢磨 | Sessa Takuma | Mutual Improvement | Growing together with peers |
精神一到 | Seishin Ittō | Where There’s Will, There’s a Way | Achieving goals through focus |
泰然自若 | Taizen Jijaku | Calm and Composed | Staying collected under pressure |
剛毅果断 | Gōki Kadan | Strong-Willed and Decisive | Making bold, clear decisions |
明鏡止水 | Meikyō Shisui | Clear and Serene Mind | Maintaining mental clarity |
気炎万丈 | Kien Banjō | Burning with Enthusiasm | Expressing inspiring passion |
百戦錬磨 | Hyakusen Renma | Battle-Hardened Experience | Having deep, practical wisdom |
愚公移山 | Gukō Izan | Perseverance Moves Mountains | Long-term dedication to goals |
日進月歩 | Nisshin Geppo | Steady Daily Progress | Consistent self-improvement |
TL;DR
Japanese yojijukugo are more than just poetic—they’re practical, especially in business. These ten idioms encourage focus, leadership, patience, and passion. If you want to enhance your professional mindset with a touch of Japanese wisdom, these phrases are a great place to start.
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