/ˈnjuːsəns/
something or someone that annoys you or causes trouble for you:
I’ve forgotten my umbrella - what a nuisance!
[ + -ing verb ] It’s such a nuisance having to rewrite those letters.
I hate to be a nuisance, but could you help me?
Local residents claimed that the noise was causing a public nuisance.

Smoking and causing a nuisance is not allowed on train.