相關(guān)單詞近義詞 be on the ball 機靈的; 機警的; 勤奮...know what's what, 有常識, be with it 機靈的臨近詞know, Knowlan相似詞know sth back to front idiom, know sth from sth, know sth inside out idiom, know sth like the back of your hand idiom, know what it is (like) to idiom, know what you are doing idiom, know what you are talking about idiom, know what's what idiom, 返回 know the score