knock over英 [nɒk ˈəʊvə(r)]美 [nɑːk ˈoʊvər](被车)撞倒柯林斯词典→ see:knock down 1英英释义verbcause to overturn from an upright or normal positionThe cat knocked over the flower vasethe clumsy customer turned over the vasehe tumped over his beerSynonym:overturntip overturn overupsetbowl overtump over双语例句