adj [usu pred 通常作表语] (infml 口) mad; crazy 疯狂; 狂热.
something that is cracked has one or more lines on the surface because it is damaged but not completely broken
The mirror was cracked and dirty.
dry, cracked lips
He escaped with a cracked rib and bruising.
someone's voice that is cracked sounds rough and uncontrolled
[not before noun]informal
1. The ice cracked as I stepped onto it. 我一踩冰就裂了.
2. Quietly Joan showed him the damp cracked walls, the rotten floorboards, and the collection of buckets, jugs and basins she used to catch rain dripping from the roof. 琼静静地带他看了潮湿裂缝的墙壁、腐烂的地板和一堆她过去用来接房顶滴落的雨水的桶、水壶和脸盆。
3. He cracked his whip. 他把鞭子抽得劈啪作响。