There is to be a total ban on smoking in the office.

办公室将彻底禁止吸烟。

《牛津词典》

Boulder was one of the first cities in the nation to enforce a ban on smoking.

博尔德是该国率先施行禁烟令的城市之一。

《柯林斯英汉双解大词典》

Thirty years ago, it would have been inconceivable to have imagined a ban on smoking in the workplace or in pubs, and yet that is what we have now.

30年前，在工作场所或酒吧里禁烟会是不可想象的，而它正是我们如今所有的。

youdao

North Carolina passed a ban on smoking in restaurants and bars;

VOA: special.2009.05.27

It is why the Labour government's ban on smoking in public places was so welcomed.

BBC: Queen's Speech: Bad news for healthy lifestyles?

They have called for the ban on smoking in public places to be extended to e-cigarettes.

BBC: Electronic cigarettes - miracle or menace?

What next, a ban on smoking in the home if children are present?

BBC: MSP wants ban on smoking in cars carrying children