Get In

to enter a place or vehicle

I'm trying to get in the car, but the door is stuck.

Can you help me get in the house? I forgot my keys.

to become involved in an activity or situation

I'm trying to get in on the project, but it's already full.

She's trying to get in with the popular crowd at school.

to arrive or come inside

What time do you expect to get in tonight?

The guests will get in at 8pm, so let's be ready.