N2 Integrated Dialogue Lesson 1
Mastering the usage of ～ことだ (koto da) for giving advice or stating a general truth.
A Mentor's Advice
In a professional Japanese setting, you might often hear seniors giving advice to juniors. It is not always a direct command; instead, it is often framed as a general principle or a piece of wisdom.
しごとでせいこうしたいなら、まずはひとのはなしをよくきくことだ。
仕事で成功したいなら、まずは人の話をよく聞くことだ。
If you want to succeed at work, the first thing to do is listen well to what others say.
The Grammar: ～ことだ
The pattern ～ことだ is used to give advice, suggestions, or to state a rule or a piece of wisdom. It sounds authoritative and objective.
Watch out
Usage Examples
Observe how this structure frames advice as a general truth.
健康のためには、毎日運動することだ。
For your health, you should exercise every day.
無理をしないことだ。
You should not push yourself too hard.
諦めずに続けることだ。
You should continue without giving up.
試験に合格したいなら、毎日復習する【ことだ】。
Hint: The grammar point for giving advice.
If you want to pass the exam, you should review every day.
Nuance and Register
How does ～ことだ differ from other advice patterns?
～ことだ vs ～べきだ
～ことだ
Subjective advice based on speaker's wisdom.
早寝することだ。
～べきだ
Objective duty or social obligation.
早寝すべきだ。
Which situation is appropriate for using ～ことだ?
- Giving a direct order to a subordinate.
- ✓ Offering a piece of life wisdom to a friend or junior.
- Asking a stranger for directions.
- Politely requesting a favor from a boss.
～ことだ is best used for advice or wisdom, not for direct orders or formal requests.
Deep Dive: Emotional Nuance
Sometimes, 'ことだ' can be used to express strong emotion, such as surprise or regret, though this is a more advanced usage.
Lesson Summary
We learned that ～ことだ is a powerful tool for framing advice as a general principle. Use it when you want to sound like you are sharing wisdom, but be careful with the register as it can sound authoritative.