Usages of acercarse
No se acerquen a la vitrina.
Do not get close to the display case.
No se acerque a la escultura nueva.
Do not get close to the new sculpture.
Si te acercas, este perro está a punto de morder.
If you get close, this dog is about to bite.
Elon.io is an online learning platform
We have an entire course teaching Spanish (Latin America) grammar and vocabulary.