fails

过去式：

动词过去式: failed

更多词形：

动词过去式: failed | 动词过去分词: failed | 动词现在分词: failing | 动词第三人称单数: fails |

单词例句：

Try as he may (=Though he may try), he will definitely fail.

虽然他会尝试去做，但无疑他必失败。

At least we can fall back on candles if the electricity fails.

停电时我们至少可以使用蜡烛。

Rarely did he fail to keep his promise.

他真的很难得失信。

He never fails to write to his mother every week.

他从来没有忘记每周给母亲写信。

I study hard, so that I may not fail in the examinations.

我用功，免得考不及格。

She never fails to write to her parents every month.

她每个月一定写信给她的父母亲。

Even if I fail this time, I would try again.

即使我这次失败了，我还要再试试。

He tried a second time only to fail again.

他再试一次，竟然还是失败。

You'll fail in French unless you work harder.

你要是不再加把劲儿，法语就考不及格了。