xī yān
吸烟
smoke

jiè yān
戒烟
give up smoking

yān mín
烟民
smoker

jiàn kāng
健康
health

yān căo
烟草
tobacco

èr shŏu yān
二手烟
second-hand smoke; passive smoking

gōng gòng chăng suŏ
公共场所
public spaces; public places

jìn zhĭ xī yān
禁止吸烟
no smoking, ban smoking