一生懸命

いっしょうけんめい

very hard (as in "to work hard"), with utmost effort

JLPT N4

Character Breakdown

Meaning and Usage

"一生懸命" (いっしょうけんめい) means to do something with one's utmost effort or very hard. It is often used to describe working, studying, or trying hard at any task.

Common Contexts

You will hear this word in everyday conversation when someone wants to emphasize their dedication or effort. It can be used with verbs like 勉強する (to study), 働く (to work), or 遊ぶ (to play).

Collocations and Patterns

  • 一生懸命に + verb: emphasizes doing the action with full effort.
  • 一生懸命働く: to work very hard.
  • 一生懸命勉強する: to study very hard.

Register and Nuance

This phrase is polite and neutral, suitable for both casual and formal situations. It conveys sincerity and strong effort.

Common Mistakes

Learners sometimes confuse 一生懸命 with just "hard" or "fast". Remember it means "with utmost effort," not speed. Also, it is usually used adverbially with に or as an adverbial phrase before verbs.

Example Sentences

かれはいっしょうけんめいにべんきょうして、しけんにごうかくした。

He studied very hard and passed the exam.

いっしょうけんめいはたらいても、きゅうりょうはあまりあがらない。

Even if you work very hard, your salary doesn't increase much.

こどもたちはいっしょうけんめいにあそんでいる。

The children are playing with all their might.