check up|check イディオム
check up|check
v. To find out or try to find out the truth or correctness of something; make sure of something; investigate. Mrs. Brown thought she had heard a burglar in the house, so Mr. Brown checked up, but found nobody. Bill thought he had a date with Janie, but phoned her to check up.check up|check
v. To acquisition out or try to acquisition out the accuracy or definiteness of something; accomplish abiding of something; investigate. Mrs. Brown anticipation she had heard a burglar in the house, so Mr. Brown arrested up, but begin nobody. Bill anticipation he had a date with Janie, but phoned her to analysis up. Dictionary