go to the trouble (of (doing something))

to make an effort to do something.

If anyone had gone to the trouble of looking up his record, the police would not have released him.

• a breath of fresh air
• a bright spark
• a bright spot
• a broad church
• a Bronx cheer
• Absence makes the heart grow fonder.
• a bucks party
• a bully pulpit
• a bumpy ride
• a bum rap
• a bum steer
• a bundle of joy
• a busman's holiday
• a buzz word
• a call girl
• a calling card
• a camp follower
• a can of worms
• a carbon copy
• a carrot and stick
• a carrot and stick approach
• a carrot-top
• a case in point
• a cash cow
• a cat and mouse game