trzeć in English:

Do you think we'll get a chance to rub shoulders with any celebrities?

There's the rub.

Will you rub my shoulders?

Rub salt in the wound.

He rubbed (at) the stain on his trousers and made it worse; We rubbed some polish into the surface of the wood; She was rubbing her hands (together) at the thought of winning; My new shoes are rubbing (against/on my toe) and now I've got blisters.

Will you please use indelible ink so the phrase won't rub out?

to press something with a circular or up-and-down repeated movement: She rubbed sun lotion over her entire body.

During prohibition days, racketeers used to rub each other out to get control of the rum-running racket.

It's in pencil so you can rub it out if you need to.

Rub briskly with soap, and the stain will soon wash off.

I'll give your back a rub.

He stands there, enjoying the brief flashback, rubbing the water from his hair with a towel.

I rubbed some suntan oil on her back.

My new shoes are rubbing against my toe and I've got blistes.

Do you often rub it?

I grated some apples for the baby.

I like to sprinkle my spaghetti with grated parmesan cheese and drizzle with olive oil.

to obtain plenty of small pieces of something by rubbing it against a special device called grater;

grated cheese.

Bob grated some cheese on his spaghetti.

Tom grates cheese for his favourite pizza

We grated all the cheese.

Did you grate the cheese?

to cut into very small pieces by rubbing it against a special tool caled grater

grated cheese/carrot

Pasta tastes better when you grate some cheese on it