Knock over là gì
1 Verb (used without object)2 Verb (used with object)3 Noun4 Verb phrases5 Idioms6 Synonyms Verb (used without object) to strike a sounding blow with the fist, knuckles, or anything hard, esp, on a door, window, or the like, as in seeking admittance, calling attention, or giving a signal to knock on the door before entering