drop by / drop off

• drop by 들르다

I dropped by at 3:00, but you weren't home.

My neighbor dropped by with an apple pie.

Eddie dropped by yesterday to say goodbye.

Can we go to the department store now?

> Okay, but I have to drop by the bank first to get some money.

 

• drop off ~에 가져다 놓다, 내려 놓다

I have to drop off the package today.

My mother dropped me off at school on her way to work.

Where are you going?

> I'm going to drop off my roller-blades at Sue's house.