Beijing is usually very hot in summer.

北京的夏天通常很热。

A: The Olympics are in August, aren't they?

A: 奥运会是在8月召开，对吧？

B: Yes, August 2008.

B: 是的，2008年8月。

A: Beijing is usually very hot in summer.

A: 北京的夏天通常很热。

B: Yes, but it should be cooler by August. It's hotter in June and July.

B: 是的，但是到了8月份天气就应该凉爽一些了。6月和7月更热。

A: Good. I hope so.

A: 好，希望如此。

B: Yes, it'll be fine. It's not so hot in August.

B: 是的，天气会很好的。8月不会太热。

1. If you ask a question, you use this structure the olympics are in August, aren't they? You're from London, aren't you? It's cold in winter, isn't it?
如果你提问题，可以用这个结构：The Olympics are in August, aren't they? (奥运会是在8月召开，对吧？) You're from London, aren't you? (你是从伦敦来的，对吗？) It's cold in winter, isn't it?(这里冬天很冷，是吗？)

2. If you want to talk about how something usually or normally is, you can use usually , e.g. Beijing is usually hot in summer. It ususally rains a lot in London in winter.
如果你想谈论某事通常或者一般的情况，可以用usually (通常). 例如：Beijing is usually hot in summer. (北京的夏天通常很热.) It usually rains a lot in London in winter. (伦敦的冬天经常下雨。)