At the same time, the first two units were led by rival officers who refused fight so as to preserve their own strength.

Preserve your strength, take it slow and careful, I think you'll be all right in the end.

We are all in Jyour hands now; you must preserve your strength for the difficult days which will come.

"There is no shame in retreating to preserve one's strength for a future battle, with better hope of victory."

Keisha had to preserve her own strength for things that could not be prevented.

Chiang was suggested to preserve his strength to maintain order and fight later.

He stopped resisting at once in order to preserve his strength.

Spock found a place to sit on a nearby rock, the better to preserve his strength.

At first, he did not win and must have withdrawn troops to preserve their strength.

All this time with us, you've ridden to preserve your little strength.