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済む， 濟む， すむ
1. to finish, to end, to be completed
2. to merely result in something less severe than expected
3. to feel at ease
4. to feel unease or guilt for troubling someone, to be sorry
完成，结束；仅仅导致结果比预期轻微；感到轻松自在；因给他人添麻烦而感到不安或内疚，感到抱歉
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水に流す， みずにながす
1. to forgive and forget, to let bygones be bygones, to sweep under the carpet, to wipe the slate clean
宽恕并遗忘，既往不咎，掩盖问题，一笔勾销
こと， 事， 縡
1. thing, matter
2. incident, occurrence, event, something serious, trouble, crisis
3. circumstances, situation, state of affairs
4. work, business, affair
5. after an inflectable word, creates a noun phrase indicating something the speaker does not ...
tbd