shake in one's shoes

例句：

1. 1.The old man was shaking his head in disbelief.
   老人摇头表示不相信。
2. 2.She was jigging her feet as she danced.
   她跳舞时脚尖点地，显得非常兴奋。
3. 3. The baby was rattling the cage with its tiny hands.
   婴儿用小手摇晃笼子。