|come by||find, get, obtain||How did you come by that vase? Where did you get it?|
|come clean||tell the truth, admit everything, own up||The police asked him to come clean about the money - to tell them everything he knew.|
|come down hard||punish hard, throw the book at||The teachers come down hard on cheating. They suspend cheaters.|
|come down off your high horse||(See get off your high horse)|
|come down on like a ton of bricks||reprove, punish harshly||Whenever I make the slightest mistake, my boss comes down on me like a ton of bricks.|
|come down to earth||be realistic, get your head out of the clouds||If she'd come down to earth, if she'd stop dreaming about fame, she could pass her exams.|
|come down with||become sick, become ill||Brenda came down with the flu. She's very sick.|
|come full circle||arrive at the place where you began||"Let's ask the teacher, okay?"
"If we do that, we'll have come full circle. Remember?"
|come hell or high water||no matter what happens, by any means||I'll buy that ranch, come hell or high water. I'm determined.|
|come home to roost||(See chickens come home to roost)|