Chinese phrase
请系〜安全带 qǐng xì 〜 ān quán dài
Meaning
Please ___ your seat belt
When to use it
This is a polite request to fasten a seat belt. It suits announcements and other somewhat formal travel settings.
Example dialogue
请系 上 安全带，我们要出发了。 qǐng xì shàng ān quán dài wǒ men yào chū fā le
Please fasten your seat belt; we are about to leave.
好的，知道了，我马上系上。 hǎo de zhī dào le wǒ mǎ shàng xì shàng
Okay, I understand. I'll fasten it right away.