break down

I realize it more and more every day, but I will stick it out till I break down.

I am haunted by the thought that my car may break down when I have a load of wounded.

There is a refuge for him, a defence, a safeguard which no material attack can break down.

It would not do for her to break down while he was locked up?

Yet it seemed to her that now, at last, she might break down and cry.

Go outside and fetch a little brandy, or I foresee that you'll break down.'

I am not going to break down; but—but there is a photograph of Rogie when he was very small—'

I break down before the knowledge of what I want to say to you.

We may not be able to see through the lead curtains, but we can break down the door.

She dared not speak, knowing that if she made the attempt she must break down.