麻烦

It is no trouble/bother at all.

It's rather troublesome to go through all these formalities.

There was no end to our troubles.

He realized that he was in trouble.

She spares no pains in serving customers.

He didn't wish to be troubled.

You would bring trouble on yourself if you did so.

Never trouble trouble till trouble troubles you.

seek/borrow/invite trouble; ask for trouble; look for trouble

get/run into trouble

cause a lot of bother

save (sb) a lot of trouble

put (sb) to trouble; trouble (sb)

alleviate trouble

avoid trouble; steer clear of trouble

Don't bother other people with the work you can do by yourself.

I have put you to so much trouble.

I will take another cup, if you please.