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ごめん， ゴメン， 御免， ご免
1. I'm sorry, my apologies, excuse me, pardon me
2. may I come in?
3. permission, leave, license
4. dismissal, discharge
5. not wanting, objecting to, being fed up with, wishing to avoid
对不起，请原谅；可以进来吗？(进门时的问句)