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申し訳ない， 申し訳無い， 申しわけない， もうしわけない
1. I'm sorry, (it's) inexcusable, I feel regretful, I feel guilty
2. thank you very much (for help, etc.)
我很抱歉，（这）是不可原谅的，我感到后悔，我感到内疚
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替わる， 代わる， 換わる， 替る， 代る， 換る， かわる
1. to succeed, to relieve, to replace
2. to take the place of, to substitute for, to take over for, to represent, to hand over (telephone)
3. to be exchanged, to change (places with), to switch
替，代替；替换；接替
