weak with something
weak from something

He is too weak from loss of blood to speak.

They were weak from the pleasure she had given them through the night.

She was weak from her injuries and could not get away.

The agent was clearly weak from the loss of blood.

Some people were too weak from terror to walk without help.

He went down, weak from the pain and loss of blood.

I was injured though, and weak from my long walk.

She was weak from her fall and the loss of blood.

The soldiers who still lived were weak from the disease.

But he was weak from hunger and had to get something.