"Those are tough calls to make because you could be very wrong."

It came down to a tough call at the end.

Not when he had to make a tough call in a ball game.

"No matter how long you've been at this job, you never get used to these tough calls."

If they got any closer he was going to have to make a tough call.

This was going to be one tough call, no matter where he made it.

I'm willing to take the heat for a tough call if necessary.

"And that's a tough call to make with the game on the line."

"Colleges are making tough calls on which programs to keep."

But it is hard to identify what tough calls have been made.