“在晚上”造句

他们和往常一样在晚上9点50分准时出现。
They appeared on the dot of 9.50 pm as always.

这则广告只能在晚上9点成人节目开始后才能播出。
The advert should only be shown after the 9pm watershed.

真的，我只在晚上抽烟。
Seriously, I only smoke in the evenings.