You know watching him, he can go off at any time.

He went off at even money and returned $4 for $2 to win.

He went off at 3-1 and paid $8.20 for $2 to win.

"Instead of going off at night by myself, we would be together," he said.

Then they go off at the same time and even faster.

But the lights went off at 2200 and didn't come on again until 0600.

I mean, she couldn't go off at a moment's notice and leave the children with no one to look after them.

It is not in his character to go off at such.

He was still a young horse and went off at 28/1.

Something might go off at any moment for all I knew.