Please sit down and fasten your seatbelt.

请坐好并系好安全带。

youdao

I'll do my best Ma 'am. Fasten your seatbelt!

我会尽我全力的，女士。系好您的安全带了！

youdao

Please fasten your seatbelt. We will take off shortly.

请系好安全带。我们马上就要起飞了。

youdao

Such feats of automotive agility remain the preserve of the small screen, of course, and talking cars have yet to advance beyond giving directions or reminding you to fasten your seatbelt.

ECONOMIST: Cars that drive themselves