讲解：
fight/against against the clock
抢时间；争分夺秒
We must go to there against the clock.
我们必须赶到那里。

It's weird that…
奇异的；不寻常的；怪诞的:
It's really weird seeing yourself on television.
看到自己上了电视感觉怪怪的。

in/within memory
记忆所及的时期；回忆所及的范围:
There hasn't been peace in the country in / within my memory.
在我的记忆里,这个国家从没太平过。

have a ball
狂欢；玩得痛快
They had a ball in the party.
他们在派对上玩的很痛快。

welcome to do sth
(表示乐于让某人做某事)可随意:
They're welcome to stay here as long as they like.
他们在这里愿意住多久就住多久。

bid your adieu
再见
I bid you adieu.
跟你说再见。