一生懸命

いっしょうけんめい

very hard; with utmost effort; as hard as one can; with all one's might

JLPT N4 common word Also written 一生けんめい、一生けん命

Meaning

advadj-nan
very hard; with utmost effort; as hard as one can; with all one's might; for dear life; eagerly; desperately

Example sentences

一生懸命磨きました。困ったのは、意外と低級宝石のストックがないことです。

I polished for all I was worth. The trouble is that my stock of low-grade gems was surprisingly low.
入学試験に落ちないように、彼女は一生懸命に勉強した。

She studied hard in order not to fail the entrance exam.
一生懸命作られたゲームには、一生懸命に取り組むのが礼儀なんだよ？ポーズボタンなんて押したらゲームに失礼だもん。

It's only manners to tackle all out a game that they have gone all out in creating. Pressing the pause button is just rude!