1.   But then Sumlin came on and hit a wall.

2.   Each block continued to sail onward as soon as it had left his hand, until it hit the wall and rebounded.

3.   He died because his car hit a wall.

4.   He expected to hit the wall of the cliff somewhere up ahead.

5.   He got the bruise on his nose then, from hitting a wall.

6.   He hit a wall hard enough to briefly ignite a magnesium wheel, but refused to slow down.

7.   I miss and hit the wall.

8.   In these sessions, men generally will talk about the conflicts between job and family, but then hit a wall.