Meaning of huài shì:
huài shì
坏事
Noun
bad thing; misdeed; to ruin things
zuò huài shì zǒng huì dài lái bù hǎo de hòu guǒ.
做坏事总会带来不好的后果。
Doing bad things will always bring negative consequences.
Tā zǒng shì bǎ hǎoshì biàn chéng huàishì.
他总是把好事变成坏事。
He always turns good things into bad things.