| 单词 | crack up |
| 释义 | crack up Informal 1. To praise highly: He was simply not the genius he was cracked up to be. 2. a. To damage or wreck (a vehicle or vessel): crack up a plane; crack up a boat. b. To wreck a vehicle in an accident: cracked up on the expressway. 3. To have a mental or physical breakdown: crack up from overwork. 4. To experience or cause to experience a great deal of amusement: really cracked up when I heard that joke. Main Entry: crack |
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