The captain turned out the "no smoking" signs.

机长关掉了“禁止吸烟”标志灯。

He ignored all the 'No Smoking' signs and lit up a cigarette.

他无视所有“禁止吸烟”的警示，点了香烟。

Passengers are reminded (that) no smoking is allowed on this train.

旅客们请注意，本次列车禁止吸烟。

The cafe owner has put up the required "no smoking" signs, but thinks his responsibility stops there.

咖啡店老板已贴上所要求的“禁止吸烟”的标志，但他认为自己的责任到此为止。

No smoking in the cinema.

电影院内不得吸烟。