knock down的近义词是：dump倾倒；floor地面。knock down的例句是A child was struck down by lightning in the storm.暴风雨中，一个小孩被雷电击倒。knock down的读音是英[nɒkdaʊn]；美[nɑːkdaʊn]。
一、英英释义点此查看knock down的详细内容
"The policeman downed the heavily armed suspect"
"The mugger knocked down the old lady after she refused to hand over her wallet"
"He decked his opponent"
二、词典解释
1.（被车）撞倒
If someoneis knocked down oris knocked over by a vehicle or its driver, they are hit by a car and fall to the ground, and are often injured or killed.
e.g. He died in hospital after being knockeddown by a car...
他被车撞倒后死在了医院。
e.g. A drunk driver knockeddown and killed two girls...
一个酒后驾驶的司机撞死了两个女孩儿。
2.推倒，拆掉，拆毁（建筑物）
Toknock down a building or part of a building means to demolish it.
e.g. Why doesn't he justknock the walldown?...
他为何不干脆把墙推倒？
e.g. They have since knockeddown the shack.
从那以后他们拆掉了简陋的棚屋。
3.降（价）；杀（价）；减（量）
Toknock down a price or amount means to decrease it.
e.g. The market might abandon the stock, andknockdown its price...
市场可能会抛售该股票，从而令其股价下跌。
e.g. It manages toknock rentsdown to $1 per square foot.
成功地将租金降到每平方英尺1美元。
三、例句
A child was struck down by lightning in the storm.
暴风雨中，一个小孩被雷电击倒。
He manages to knock down a guard and grab a knife.
他设法击倒了一个警卫，抓起了一把刀。
Alec was knocked down by a bus yesterday.
亚历克昨天被公共汽车撞倒了。
The careless motorist ran down a boy on a bicycle.
那个粗心大意的汽车司机撞倒了一个骑自行车的孩子。
They have torn down that dangerous wall.
他们已拆除了那堵危墙。
The cinema she used to visit had been pulled down.
她常去的那家电影院已经拆除了。
四、词汇搭配
knock down的相关近义词
dump、floor、coldcock、push down、deck、cut down、pull down、down、knock into、blast
knock down的相关临近词
knockup、knock、knock the daylight out of、knock for knock agreement、Knock off every objection、Knock up a livestock shed、knock someone out of time、knock into my old teacher