Keep an eye on (it, him, her, them)

You should carefully watch something ore someone.



It is unclear when the term was first used. However, the phrase has literal meaning so it isn’t hard to grasp the reasons behind its use.



Ex: He’s acting very suspicious, I have to go now, but keep an eye on him and make sure he doesn’t do anything.

Spanish: Echarlo/le/la/los/les/las un ojo



German: jdn./etw. im Auge behalten

