He was anxious that he may have failed the exam.
他很担心他考试通不过。
We may have failed to see that the forest is part of the elephant!
我们可能忽略了树林和大象是一体的！
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。
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。
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