目を離すな

don't take your eyes off it

→ 目
phrase Rare #35,245
don't take your eyes off it A strong command meaning to keep watching someone or something carefully. The subject is often understood from context, and it can also mean “don't look away.”
JA: この子から目を離すな。
EN: Don't take your eyes off this child.

目を離すな.

Don't take your eyes off it.

— スター・トレックII カーンの逆襲 (1982)

そのいたずら小僧から目を離すな

Don't take your eyes off that little rascal.

冷静に目を離すな

Keep your eyes on it and stay calm.

— レオン (1994)

目を離すな

Don't take your eyes off it.

— さらば、わが愛/覇王別姫 (1993)

通り目を離すな

He’s on the street side—don’t take your eyes off him!

— M - Eine Stadt sucht einen Mörder (1931)