1、I feel terrible ─ I think I'll go to bed.我觉得难受，想去睡觉了。
2、Go to bed. You look tired out.去睡觉吧，你看上去（已是）满脸倦意。
3、I think it's time to go to bed.我想该睡觉了。
4、I'm going to go to bed and read.我要上床看书去。
5、You'd better go to bed and nurse that cold.你最好上床睡觉，把感冒治好。
