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辞める， 罷める， 退める， やめる
1. to resign, to retire, to quit, to leave (one's job, etc.)
辞职，退职，离任
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仕方がない， しかたがない
1. there's no (other) way
2. cannot be helped, unavoidable, inevitable, (there's) nothing one can do, having no choice
3. it's no use (doing), pointless, useless, no good, insufficient, not enough
4. hopeless (person), annoying, troublesome, awful
5....
别无他法；无可奈何，无法避免，势在必行，(对此)束手无策，别无选择；没用，徒劳无功，毫无意义，不值得，不够，不够充分；没救的人，烦人，麻烦，糟糕透顶；忍无可忍，难以承受，情不自禁(做某事，有某种感受)，迫不及待(想做某事)