keep one's composure

He tried to keep his composure, but was still seen nervous.

Park told himself to keep his composure, and he moved up in the pack.

I need to keep my composure or I'll have no chance.

When it came to keeping his composure, however, Mason had problems.

"You've been driving me for the last three months," she said, trying to keep her composure.

"I got to keep my composure and not let it get to me," he said.

The most difficult thing was keeping her composure, she said.

When I don't keep my composure, it's not good for the football team.

You have to be able to keep your composure when the games come down to the end.

But he said keeping his composure hasn't been difficult lately.