diddly-squat

例句：

1. 1. He did a diddly-squat to avoid being seen by the police.
   他蹲下来以避免被警察看见。
2. 2. The dog did a diddly-squat when it saw the cat.
   当狗看到猫时，它做了一个蹲下的动作。
3. 3. She did a diddly-squat to hide her face from the camera.
   她做了一个蹲下的动作来遮住脸，以免被摄像头拍到。