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; for dear life; eagerly; desperately
一生懸命
い っ しょ う け ん め い
JLPTN4
Very hard; with utmost effort; as hard as one can; with all one's might; for dear life; eagerly; desperately
もっと
一生懸命勉強
すべきだったのに
。
You should have worked harder.
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