He was sympathetic, but powerless to help.

他表示同情，但爱莫能助。

柯林斯例句

We are willing to help but unable to do so about this.

这件事我们是爱莫能助了.

《现代汉英综合大词典》

I appreciate your problem, but I don't think I can help you.

我理解你的困难, 但却爱莫能助.

辞典例句

I can't help you, I'm afraid the matter is out of my hands.

我爱莫能助, 很抱歉--此事已非我力所能及.

辞典例句

Doctor: I can do nothing about your condition. I'm afraid it's hereditary.

医生: 你的情况我爱莫能助. 这应该是遗传所致.

互联网

I can not be of any help in this respect.

在这方面,爱莫能助.

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I regret to say that I am unable to help you.

很抱歉,我爱莫能助.

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He's having a lot of problems, but my hands are tied.

他有很多困难, 但我爱莫能助.

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I regret that I can not help.

很抱歉,此事我爱莫能助.

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Paul: I can't. When it comes to calculus, it's all Greek to me.

保罗: 我爱莫能助呀! 说到微积分, 我可是一窍不通.

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