(keep an eye on)
61keep one eye on someone — have/keep one eye on (something/someone) to give part of your attention to one thing or person while also giving your attention to something or someone else. As he listened to the speaker he kept one eye on the crowd to gauge their response …
62keep an eye out — watch for, look for, keep your eyes peeled Keep an eye out for Helen at the school reunion. You may see her …
63keep an eye out for — to keep looking for someone or something, especially when you are doing something else He asked me to keep an eye out for any houses to rent …
64keep your eye on the ball — If you keep your eye on the ball, you stay alert and pay close attention to what is happening. (Dorking School Dictionary) …
65keep an eye open — See keep an eye out …
66Keep your eye on the ball — If you keep your eye on the ball, you stay alert and pay close attention to what is happening …
67keep an eye on — Synonyms and related words: attend to, au courant, baby sit, be vigilant, be watchful, boss, care for, chaperon, cherish, conserve, eye, eyeball, follow, foster, gaze at, have a looksee, hold in view, keep account of, keep count of, keep in order …
68keep an eye on — watch carefully; supervise, watch over (e.g.: I am keeping an eye on the pot to make sure the stew does not burn ; Susan is keeping an eye on her younger brother while her parents are away ) …
69keep an eye on — Watch, mark, observe, have an eye on …
70To keep an eye on — Eye Eye ([imac]), n. [OE. eghe, eighe, eie, eye, AS. e[ a]ge; akin to OFries. [=a]ge, OS. [=o]ga, D. oog, Ohg. ouga, G. auge, Icel. auga, Sw. [ o]ga, Dan. [ o]ie, Goth. aug[=o]; cf. OSlav. oko, Lith. akis, L. okulus, Gr. o kkos, eye, o sse, the… …