English conversation

off the top of my head : 예상치 못한 어려운 문제를 듣거나 보았을때 머리가 하애질때

Do you on something?

Do you have a phone on you?

Do you have a pen on you? : 지금 펜 가지고 있니?

I got cash on you : 지금 현금 가지고 있어. = I have the cash.