1.hit the hay /sack:go to bed; go to sleep 上床睡觉
Don't burn the midnight oil, my dear son. It is time to hit the hay.
别熬夜啦，乖孩子！ 该上床休息了。
2.doze off:fall into a light sleep 打盹；打瞌睡
After lunch the old man likes to lie on his sofa, dozing off soundly.
午饭后，这位老人喜欢躺在沙发上，酣畅淋漓地打瞌睡。
3.turn in:go to bed 上床睡觉
I turned in early last night.
我昨晚很早就上床睡觉了。
4.ton(s):a very large quantity 众多；一个极大的数量
With each passing day tons of fan mail rained upon the music anchor.
每一天这位音乐主持人都收到无数发烧友的信件。
5.smite:to affect sharply with great feeling 感动；（因巨大的感情）深深地打动
The falling leaves smote Lin Daiyu with sadness.
落叶触动了林黛玉的伤感情怀。