1. 严重的汽车相撞：101.Smell the coffee 清醒过来,认识到事物的本质 | 102.Smash up 严重的汽车相撞 | 103.Snow job 骗局

2. 崩溃：smash in 打破 | smash up 崩溃 | smash 打碎

3. 崩溃, 瓦解：worn out 磨损,精疲力尽 | smash up 崩溃,瓦解 | consequential 重要的

4. 捣毁：ring up 打电话 | smash up 捣毁 | snap up 抢购;迅速

2. smash up的解释

verb

1. damage or destroy as if by violence

e.g. The teenager banged up the car of his mother

Synonym: bang upsmash