“再也无能为力”常见的几种英语表述：
1. “be powerless any more” 或 “be no longer powerful”
例如：“I am powerless any more to help you.”（我再也无能为力帮你了。）
2. “have no ability any longer” 或 “have no capability any more”
比如：“He has no ability any longer to finish this task alone.”（他独自完成这个任务再也无能为力了。）
3. “be unable to do anything any more”
像：“I'm really sorry but I'm unable to do anything any more.”（真的很抱歉，但我再也无能为力了。）
