knock over knock down

问题描述:

knock over knock down
区别

knock over 打翻;撞倒He knocked a glass over.他把玻璃杯打翻了.2.使惊奇She was knocked over by the news.她被那消息惊呆了.3.消除We have knocked over every difficulty.我们已排除种种困难.knock down1.击倒;...