knock up against 碰撞 ; 偶然碰见 ; 同…冲突
knock-up period 赛前热身
knock up copy 准备稿件付印 ; 发稿
knock-up machine 闯纸机
knock sb up 匆匆做饭 ; 把某人叫醒 ; 敲门把某人叫醒 ; 使某人疲倦
knock up a meal 匆匆做好一餐饭
PHRASAL VERB If you knock something up, you make it or build it very quickly, using whatever materials are available. 赶做 [英国英语] [非正式]
PHRASAL VERB If a woman is knocked up by a man, she is made pregnant by him. 搞大肚子 [非正式，粗话] [usu passive]
When I got knocked up, the whole town knew it.
我肚子大起来时，全镇的人都知道了。
If you do a knock-up job here, you'll pay for it when you find you need to start from scratch.
如果这时候你仅仅是随便玩玩，那么当你发现你需要推倒重建时，便会付出惨重的代价。
And then finally there comes a knock on the door and you open it up and you realize that something different is finally going to happen.
最终敲门声响了，你打开门，意识到变数终于发生了。
She would knock on the door and say, "Open up."
她敲门，说，“开门。”
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