They lost concentration at times with a big lead behind them.
Michael was nearly as good, but his interest wasn't really in it and he lost concentration quickly.
In the second set, he seemed to lose concentration and lost two of his service games at love.
There was no time to actually sit around and lose your concentration.
Winning by 24 points can make a team lose concentration.
Words are enough to cause the opposition to lose concentration.
It was a hell of a time to lose my concentration.
I lost my concentration on trying to make the shot.
A couple of times, she had lost her concentration and put a dot outside the lines.
"I was losing concentration because they were sending someone at me all the time in the second half."