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悩み， なやみ
1. trouble, troubles, worry, distress, sorrows, anguish, agony, problem
烦恼，担心，问题
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何か， なにか， なんか
1. something, some, any
2. somehow, for some reason
3. (so) what (are you trying to say)?, what (do you mean)?
什么，任何
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気軽， きがる
1. carefree, buoyant, lighthearted, sprightly
2. ease
无忧无虑的、欢快的、轻松愉快的、活泼的；容易；舒适，自在