get / turn nasty
翻臉;變兇
to become threatening and violent
You'd better do what he says or he'll turn nasty.你最好照他說的做,否則他就不客氣了。
get / turn nasty
變壞;變得令人討厭
to become bad or unpleasant
It looks as though the weather is going to turn nasty again.好像又要變天了。
釋義來自《牛津高階英漢雙解詞典》第 9 版