贻害 Traditional form: 貽害 Pinyin (reading): yíhài Definitions: to have bad consequences Characters: 贻 - to hand down, to give to, to bequeath 害 - to injure, to harm; to destroy, to kill Traditional characters: 貽 - to hand down, to give to, to bequeath 害 - to injure, to harm; to destroy, to kill