sew 
/ˈsoʊ/ verb
sews; sewed; sewn /ˈsoʊ/ verb /ˈsoʊn/ or sewed; sew·ing : to make or repair something (such as a piece of clothing) by using a needle and thread [+ obj] ▪ She sews her own dresses by hand. ▪ He sewed a patch onto his sleeve. ▪ I sewed the button back on the shirt. ▪ The surgeon sewed the wound shut. [no obj] ▪ She designs her own dresses and sews in her free time.
sew up [phrasal verb]
sew (something) up or sew up (something) 1 : to close or repair (something) by using a needle and thread
▪ He sewed up the tear in his shirt. ▪ The surgeon sewed up the wound. 2 informal a : to do the final things that are needed to complete (something) in a successful way
▪ They're sewing up the details of the agreement. — often used as (be) sewn/sewed up ▪ The deal was sewn up by lunchtime.
b : to make (something, such as a victory) certain
▪ He scored a touchdown that sewed up the win/game. — often used as (be) sewn/sewed up ▪ They felt they had the win/game sewn up. [=they felt that they were certainly going to win] ▪ It looks like he has the nomination all sewn up.
▪ He sewed up the tear in his shirt. ▪ The surgeon sewed up the wound.
▪ They're sewing up the details of the agreement. — often used as (be) sewn/sewed up ▪ The deal was sewn up by lunchtime.
b : to make (something, such as a victory) certain
▪ He scored a touchdown that sewed up the win/game. — often used as (be) sewn/sewed up ▪ They felt they had the win/game sewn up. [=they felt that they were certainly going to win] ▪ It looks like he has the nomination all sewn up.
