无气力

例句：

1. 1. He was soexhausted that he could not lift a finger.
   他累得连手指都抬不起来了。
2. 2. The old man had lost all hisstrength and could hardly walk.
   老人失去了所有力气，几乎走不动了。
3. 3. After thesurgery, she felt completely powerless withouther husband's support.
   手术后，她感到完全无力，没有丈夫的支持。