20.it's none of your business<口>这不关你的事
My marriage is none of your business, David.我的婚事与你无关, 戴维。
21.like nobody's business<口>(greatly)特好地；特快地；非同寻常地
I'm enjoying myself like nobody's business.我玩得非常尽兴。
But I can cry like nobody's business.但是我能随心所欲地哭。
If you don't do it right, the paint is going to be peeling like nobody's business.要是你刷得不对, 油漆会剥落得很厉害。