to be open to reason

to open a position

open mouth, insert foot

Open your mouth!

to open the floodgates to someone

open winter

It is open to you

Open your books at page 100.

Open!

Open the door!

to open up to mass tourism

Open the gate, please.

Open 24 hours a day!

Open the book!

to open a can of worms

to open some doors for someone

open book

to open someone’s mind

Open your lugs!

to open the fire

open-end

I opened my eyes in astonishment.

I opened the safe.

He opened the case.

It opened up a whole new world to me