Ni hao ma Benny?

I have some questions for you again.
Airport questions:
Would you like to check your luggage?
To check in one’s luggage?
I would like carry on this luggage or this is a carry-on.

to fight someone physically, verbally, and campaign against, to dispute, to get into an argument,
They’ve gotten into a fight last night. They were fist fighting. They were arguing with each other or disputing. Many protesters protested against China in France. To punch or to kick.