I think Idid well in school.

我认为我在学校表现不错。

youdao

I don't know why you should think that Idid it.

我真不懂得你凭啥子以为这件事是我干的。

youdao

I made many mistakes, but Idid not understand them.

我犯过很多错误，但那是由于我当时不明白自己的行为存在问题。

youdao

I made many mistakes, but Idid not understand them.

我犯过很多错误，但那是由于我当时不明白自己的行为存在问题。

youdao