up
1.
to make sth such as a piece of clothing shorter :
This skirt needs taking up.
OPP let down
2.
to learn or start to do sth, especially for pleasure :
They've taken up golf.
She has taken up (= started to learn to play) the oboe.
3.
to start or begin sth such as a job :
He takes up his duties next week.
4.
to join in singing or saying sth :
to take up the chorus
Their protests were later taken up by other groups.
5.
to continue sth that sb else has not finished, or that has not been mentioned for some time :
She took up the story where Tim had left off.
I'd like to take up the point you raised earlier.
6.
to move into a particular position :
I took up my position by the door.
7.
to accept sth that is offered or available :
to take up a challenge
She took up his offer of a drink.