1.   Although the infection cleared up, he still felt weak.

2.   Even though your knees trembled and your heart fluttered and you felt weak with longing, how could you melt, knowing that?

3.   He felt weak and drew his knees up to his chest to contain his body warmth.

4.   I feel very weak being without protection.

5.   I was feeling so weak that I could hardly lift my head from the pillow.

6.   On the landing outside her bedroom door she suddenly felt weak with fear.

7.   She felt weak with emotion at the sight of him.

8.   She was very relieved, so much so that she felt weak.

9.   The idea makes me feel weak at the knees.

10.   Your limbs can ache and your muscles can feel weak.