| Idiom | Meaning | Example |
| clear your head/mind |
relax so you can think clearly
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After an argument I need time to clear my head, to become calm.
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| click in |
become aware, realize, dawn on, hit me
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It didn't click in that he was hurt until I saw the blood on his shirt.
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| cliff-hanger |
(See a cliff-hanger)
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| climb the walls |
feel upset or stressed, go bonkers, go crazy
|
On the first day of school, the teacher was climbing the walls.
|
| close a deal/sale |
complete a sale to a customer
|
Vi knows how to close a sale. She's a good closer.
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| close call |
(See a close call)
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| close shave |
(See a close shave)
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| close to the vest |
hidden, covered, not showing your cards
|
Walter plays close to the vest. He doesn't let me see his cards.
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| closer |
(See wheeler-dealer)
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| clotheslined (hockey) |
lifted by a bodycheck, hanging over the checker or the boards
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Orr was clotheslined just as he crossed the line. What a check!
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