with one eye on
with one eye on (something)
While giving something one's intermittent or partial attention. I hurried to finish the report with one eye on the clock. She shoveled fuel into the boiler with one eye on the pressure gauge.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
with one eye ongiving some but not all your attention to.
1977 Craig Thomas Firefox With one eye on the JPT (jet-pipe temperature) gauge he opened the throttles until the rpm gauges were at fifty-five percent and the whine had increased comfortably.
Farlex Partner Idioms Dictionary © Farlex 2017