Hi, I hope you don't mind me dropping in.

嗨，我希望你不要介意我突如其来的拜访。

unannounced

意想不到的；未事先通知的

Tim and his girlfriend showed up unannounced at around 10PM.

蒂姆和他的女友出乎意料地在晚上十点左右出现。

Mind your own business.

少管别人闲事。

Business before pleasure.

工作先于玩乐。

A: Hi Sam, hope you don't mind me dropping in unannounced.

嗨，萨姆，希望你千万别介意我突如其来的造访。

B: Not at all, come on in.

一点都不会，快进来。

A: I was just passing by and thought I'd take the opportunity to invite you over on Friday evening. I'm having another barbecue followed by a few drinks by the pool.

我刚好经过你家，想抓住机会邀请你周五晚上来我家做客。我打算再来一次烧烤，另外还可以在游泳池旁边享用一些饮料。

B: How can I resist an offer like that? Would you like to stay for coffee?

我怎么能推辞这样的提议呢！你想留下来喝杯咖啡吗？

A: I'd better run, but thanks all the same. Oh, before I go, there's just one thing. Could you not bring your dog this time?

我最好还是走了，但还是要谢谢你哦。在我离开之前正好有一件事情要说，你这次可以不要把你的狗带来吗？

B: But Charlie and I go everywhere together.

可是查理跟我形影不离。

A: I know, but remember last time? He knocked over the barbecue while chasing my cat, and then did his business in the pool.

我了解，但是记得上一次吗？他追我家的猫，同时还打翻了烤肉，接着在游泳池里大小便。

B: OK, if you insist.

你这么坚持的话，我同意。