He was anxious that he may have failed the exam.

他很担心他考试通不过。

youdao

What others may have said or done or failed to do cannot be changed now.

他人的言行举止或力所不及，目前都已既成事实无法更改。

youdao

What others may have said or done or failed to do cannot be changed now.

他人的言行举止或力所不及，目前都已既成事实无法更改。

youdao