1. I regret doing that.
我很後悔那樣做。
2. I am ashamed of ...
我對...感到很羞愧。
來自:恆星英語學習網-口語頻道
3. I shouldn't have done it.
我真不該那樣做。
4. If only I...
要是...就好了。
來源:恆星英語學習網-口語頻道
5. I should have asked you.
我要是問你就好了。
6. I went a bit too far.
我做得有點太過分了。
出自:恆星英語學習網-口語頻道
7. It was too careless of me to make such a decision.
我做這樣的決定太草率了。