Read Edit View history 乘虚而入 chéngxū'érrù exploit a weakness Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 乘虚而入/乘虛而入 · chéngxū'érrù · exploit a weakness 2026/03/04 乘虚而入 / 乘虛而入 chéngxū'érrù exploit a weakness to enter by exploiting a weak spot; to take advantage of a lapse 由于防守疏忽，让对手乘虚而入，进了一球。 idiom created sense Mar 4, 2026, 02:25 AM