他们正在试图赶在午夜的最后期限前完成。

They were trying to beat the midnight deadline.

《柯林斯英汉双解大词典》

这个队抢在十一月最后期限前拼命工作。

The team worked feverishly to the November deadline.

《牛津词典》

我明白了，在最后期限前我会给你答复的。

I see. I will give you my reply before the deadline.

youdao