Phrasal Verbs with TIE

tie up
to tie someone’s arms, legs etc so that they cannot move
They tied him up and left him.

tie up
to fasten something together using string or rope
She tied up all the old newspapers.

tie up
to finish arranging all the details of something
They are hoping to tie up the deal by tomorrow.

be tied up
to be very busy
I can’t see you tomorrow. I’ll be tied up all day.

be tied up
being used for something and cannot be used for anything else
A lot of his money is tied up in stocks.