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一生懸命， いっしょうけんめい
1. very hard, with utmost effort, as hard as one can, with all one's might, for dear life, eagerly, desperately
全力以赴，尽全力
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働く， はたらく
1. to work, to labor, to labour
2. to function, to operate, to be effective, to work (i.e. ... works), to come into play
3. to commit (e.g. a crime), to perpetrate, to do, to act, to practise, to practice
4. to be conjugated
工作，劳动；运作，运行，有效，起作用(即...起作用)，发挥作用；实施（例如犯罪），犯下，做，行动，践行，实践