在线词典掉链子比喻人在做事时出现差错,使事情不能顺利进行下去:在关键时候,你可不能~。拼音diào liàn zi解释比喻人在做事时出现差错,使事情不能顺利进行下去:在关键时候,你可不能~。英文释义to have one's bicycle chain come off; (fig.) to let sb down; to drop the ball; to screw up