1·I'm not joking; I mean business.
我不是在开玩笑，我是认真的。
2·I mean business, so you must be careful.
我是认真的，所以你得小心。
3·Don't think I am joking; I mean business.
不要以为我是在开玩笑，我可是当真的。
4·You better believe that I mean business .
你最好相信我是认真的。
5·I'm not joking with you. I mean business...
我不是在跟你开玩笑，我是认真的。
6·Then there are search engines that mean business.
接下来介绍一些和商业相关的搜索引擎。
7·Did you mean business about what we talked yesterday?
我们昨天谈的事你是当真的吗?。
8·Don't be fooled, though, these turbines mean business.
不要被愚弄，不过，这些涡轮机平均业务。
9·They mean business. Otherwise, they wouldn't have come here.
他们来办事。要不然他们不会来的。
10·They have now well and truly come to the realisation that we mean business.
他们现在彻底认识到，我们是认真的。