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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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勉強, べんきょう
1. study
2. diligence, working hard
3. experience, lesson (for the future)
4. discount, price reduction
学习