your own business. 少管闲事
business.谈正经的
's no business of yours. 不关你的事
business of 以...为业
business 公差
a business it is!真难办
business诡秘勾当
to business (=get down to business) 开始干正事; 言归正传
about your business! 去你的吧!
ey business 胡闹; 捣鬼;
's no business of mine.不关我的事。
is your business ? 你来干什么?