I was finding it hard to stay awake.

　　我已困得難熬。

　　He lies awake at night worrying about his job.

　　他擔心工作，夜晚躺在床上睡不著。

　　Suddenly he found himself awake and fully alert.

　　突然他發覺自己醒了過來，而且高度警覺。

　　His speech is bound to awake old fears and hostilities.

　　他的發言必然要激起昔日的恐懼和敵對情緒。

　　I can't stay awake any longer.

　　我瞌睡得再也熬不住了。