KEEP ONE'S EYE ON (OR TAKE ONE'S EYE OFF) THE BALL


Meaning of KEEP ONE'S EYE ON (OR TAKE ONE'S EYE OFF) THE BALL in English

keep one's eye on ( or take one's eye off) the ball

keep (or fail to keep) one's attention focused on the matter in hand.

→ ball

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.