keep doing/keep on doing (1)keep doing側(cè)重表示"持續(xù)不停地做某事"或"持續(xù)某種狀態(tài)".如: The girl kept crying all the time. 那個女孩一直在哭. The baby kept sleeping about four hours. 這個嬰兒連續(xù)睡了大約四個小時. (2)keep on doing 表示"總不斷做某事".不表示靜止?fàn)顟B(tài).不能與sitting, sleeping, lying, standing這類 詞連用.如: It kept on raining for seven days. Don't keep on asking such silly questions. 【查看更多】