The act of falling short or lacking.

失误；欠缺。

Lack of success.

失败；不成功。

A deficiency.

缺点。

Neglect; omission.

遗忘；遗漏。

Bankruptcy.

破产。

A loss of vigor.

衰弱。

An unsuccessful person, effort, etc.

失败者；无功之事。

Pupil's grade below passing.

(成绩)不及格。