您要查找的是不是：
- knock sth downv. 降低价格;拆除;缩减开支
- He noted down her address and. Note down: write sth down! 他把我说的话都记了下来!
- Keep your hands off me; or I'll knock you down. 不要碰我，当心我把你打倒在地。
- to break sth down into its component parts 将某物分成若干组成部份
- I was able to knock their price down to $1. 我把价格压到一美元。
- to pass sth down through the male/female line 通过父系/母系代代相传
- make(eg fat,lard)liquid by heating it;melt sth down 将（脂肪、猪油等）熬成油;熔化某物.
- Commit sth to paper/to writing,ie write sth down 把某事写下来
- Have a glass of beer to rinse your dinner down. 喝杯啤酒把你吃的晚饭冲下去。
- The machine must break down at this busy hour. 正忙的时候，机器偏偏又坏了。
- The old man stared the uninvited guest up and down. 老人把不速之客上下打量了一番。
- There was a furious knock at the door. 有人在猛烈地敲门。
- Set sth downbnote or record sth on paper; write sth down 将某事物记在纸上；写下来
- Mind you don't knock your head (on this low beam). 小心，别(让这根低梁)撞著头。
- We knock off at 12:30 for lunch. 我们十二点半时停下工作去吃饭。
- smash sth down;make sth fall down by smashing it,eg with a hammer 击碎某物（如用锤子）
- She fell off her bike and got a nasty knock. 她从自行车上摔下来，摔得很重。
- He let himself down slowly by means of a tope. 他借助一根绳子慢慢地下来了。
- The deer was peppered with shot all down one side. 那只死鹿的半边身子都被子弹击中。
- When I fell I got a terrible knock on the head. 我摔倒时头撞得很厉害。
