血債要用血來償 [ㄒㄩㄝˋ ㄓㄞˋ ㄧㄠˋ ㄩㄥˋ ㄒㄩㄝˋ ㄌㄞˊ ㄔㄤˊ; xue4 zhai4 yao4 yong4 xue4 lai2 chang2] A debt of blood must be paid in blood. Blood calls for blood. ◄ ►