她脸色苍白，虚弱无力，好像刚生过小孩一样。

She was pale, languid, and weak, as if she had delivered a child.

他因长期生病而虚弱无力。

He was feeble from a long illness.

他因长期患病而虚弱无力.

He was enfeebled by a long illness.

那个男孩因感冒而虚弱无力.

The boy was enfeebled by the cold.

我在窗户板上几乎挂不住了。我全身虚弱无力。

I couldn t hardly hang on to the shutters , i was so weak.

病人常常虚弱无力。

A sick person is often feeb le.

病人常常虚弱无力。

A sick person is often feeble .

他跑到溪水边去喝水，觉得自己心里虚弱无力。

He went to the streamlet to drink , feeling faint and weak of spirit .

我还是小孩子时，我爸爸有一只越来越虚弱无力的狗。

When I was a kid, my father had this dog that started to get all weak and sickly .

哈利觉得自从吃了巧克力以后就好一些了，不过他仍旧感到虚弱无力。

Harry felt better since the chocolate, but still weak.