slip the leash

例句：

1. 1. The dog was so excited that it slipped the leash and ran away.
   那只狗太兴奋了，它挣脱了绳子跑了。
2. 2. The criminal slipped the policeman's grasp and escaped.
   那个罪犯挣脱了警察的抓捕，逃跑了。
3. 3. She slipped the leash on her horse and rode off into the sunset.
   她给马套上缰绳，骑上马向夕阳奔去。