Translation of "Seatbelt" in Chinese

- Fasten your seat belt, please.
- Please fasten seatbelt.

請繫好安全帶。

We should always wear a seatbelt in case we have an accident.

我们总是应该带上安全带以防出事故。

- But for the safety belt, I wouldn't be alive today.
- If it hadn't been for the seatbelt, I wouldn't be alive today.

如果當時沒用安全帶，我大概已不在人世了。