Chinese phrase
请勿吸烟 qǐng wù xī yān
Meaning
Please do not smoke
When to use it
This phrase asks people not to smoke. It is common on signs and in polite rules for public places.
Example dialogue
请问，这个标志是什么意思？ qǐng wèn zhè ge biāo zhì shì shén me yì si
Excuse me, what does this sign mean?
上面写着请勿吸烟，这里是禁烟区域。 shàng miàn xiě zhe qǐng wù xī yān zhè lǐ shì jìn yān qū yù
The sign says, "Please do not smoke." This is a no-smoking area.