Translation of "Fails" in Chinese

What if he fails?

他失败的话会发生什么？

Nancy never fails to arrive on time.

南希從來沒有不準時到達。

Nancy never fails to write to me once a month.

南希每個月都會寫信給我，風雨不改。

He never fails to write to his parents once a month.

他每個月都會寫一封信給他的父母，風雨不改。

- Tom often fails to keep his word.
- Tom often doesn't keep his promises.

汤姆经常不守约。

When the heater in the barn fails, you get milk-flavoured ice cubes.

當牛舍的暖氣壞了, 你就會有牛奶味的冰塊。

- He often fails to keep his promise.
- He often forgets to keep his promises.

他经常忘记信守承诺。

The average man fails not because he lacks ability, but because he lacks ability to concentrate.

通常人们失败并非能力不足，而是不够专注。

- He never fails to write to his mother every week.
- He never forgets to write to his mother every week.

他从不间断，每周给他的母亲写信。