11:40的英文：eleven oclock forty。

eleven：n.十一;十一个;第十一十一;十一个；

复数： elevens

oclock：adv.(表示整点)…点钟；

forty：n.四十;四十几；

复数： forties

He said he would be here at eight o'clock.

他说他将在八点钟到达这里。

I have a history class at 9 o'clock.

我9点钟有历史课。

We arrived at two o'clock and left at ten past.

我们两点钟到达，十分钟后离开。

I have to collect the children from school at 3 o'clock.

我得在3点钟到学校接孩子。

Fifty is the new forty.

四十尚未老，五十正当年。