解鈴系鈴 [ㄐㄧㄝˇ ㄌㄧㄥˊ ㄒㄧˋ ㄌㄧㄥˊ; jie3 ling2 xi4 ling2] lit. whoever hung the bell on the tiger's neck must untie it (idiom); fig. whoever started the trouble should end it ◄ ►