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なる， 成る， 為る
1. to become, to get, to grow, to turn, to reach, to attain
2. to result in, to turn out, to end up, to prove (to be)
3. to consist of, to be composed of, to be made up of
4. to be completed, to be realized, to succeed, to be attained, to be accompli...
成为，达到，取得；变成
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弱る， よわる
1. to weaken, to grow weak, to wane, to decline (of one's health)
2. to be downcast, to be dejected, to be dispirited
3. to be troubled, to be at a loss, to be perplexed, to be annoyed
tbd