As long as he could distinguish these specks against the sky, they remained stationary.

Its cigar-shaped form and greenish color, made it difficult to distinguish against the background of the ocean.

In 1646 he distinguished himself in the actions against Ottomans.

It was already hard to distinguish his outline against the buildings ahead.

A guard tower, hard to distinguish against the treetops, could just be seen.

Your color vision should be assessed by having you distinguish colored numbers against a colored background.

There was a debate on whether the robots can distinguish innocent life against enemy life.

A black object can be distinguished against a shadowed background on a dark night, whereas gray blends in.

Let them try to distinguish us against an unknown background.

For eight years Espartero distinguished himself in the struggle against the colonists.