check somebody/something out
1. 1to find out if something is correct, or if someone is acceptable The police are checking out his alibi. We'll have to check him out before we employ him.
2. (informal) to look at or examine a person or thing that seems interesting or attractive Check out the prices at our new store!
En este caso es más que simplemente echar un vistazo. Hey! (para llamar la atención)
Hey! Used to attract attention, to express surprise, interest, or annoyance, or to elicit agreement.
‘hey, what's going on here?’
https://www.lexico.com/definition/heytransitive to examine someone or something in order to be certain that everything is correct, true, or satisfactory
The police are checking the woman out.
I’ve been taking loads of photographs, just to check out the camera.
Go to the doctor and get yourself checked out.
https://www.macmillandictionary.com/dictionary/british/check...