禁止吸烟英文No smoking。
例句：
1、旅客们请注意，本次列车禁止吸烟。
Passengers are reminded no smoking is allowed on this train.
2、他无视所有“禁止吸烟”的警示，点了香烟。
He ignored all the 'No Smoking' signs and lit up a cigarette.
3、禁止吸烟，以策安全。
In the interest of safety, smoking is forbidden.
4、办公室将彻底禁止吸烟。
There is to be a total ban on smoking in the office.
5、大多数工作场所现在都已禁止吸烟。
Non-smoking is now the norm in most workplaces.
好好生活2013
