这礼拜，倔强好像不见了，他可以毫无脾气的讨论热门话题。

This week, the stubbornness seems to be MIA, and he'll be able to discuss a hot-button issue without blowing his top.

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在公交车上给老人让座已经成为讨论的热门话题。

Offering one's seat to elderly people on buses has become a hot topic of discussion.

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近来，盗版成为人们讨论的热门话题。

Recently, piracy has become a hot topic under discussion.

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