例句：

　　你若翻個(gè)身，也許入睡容易些。

　　If you turn over you might find it easier to get to sleep.

　　最近幾個(gè)晚上我一直無(wú)法入睡。

　　I've not been able to sleep for the last few nights.

　　對(duì)他來(lái)說(shuō)，閱讀是入睡的必要前奏。

　　For him, reading was a necessary prelude to sleep.

　　那一夜我無(wú)法入睡，我太激動(dòng)了。

　　I wasn't able to sleep that night, I was so keyed up.