He shook his head and tried to concentrate on matters at hand.
Robinson could now concentrate on other matters, scoring, for example.
Before long, however, he found it impossible to concentrate on such routine matters.
You, General, should have been concentrating on more important matters!
Lets get this over and done with so we can concentrate on much more important matters.
I made an effort to pull myself together and concentrate on matters at hand.
But for now he had to concentrate on matters at hand.
It's their job to actually run things, leaving the commanding officer free to concentrate on higher matters.
I suggest that we concentrate on more important matters now.
A decision had been made, and now they could concentrate on immediate matters.