Bedeutung von “sew sth up” — Learner’s Dictionary

sew sth up

phrasal verb with sew us uk /səʊ/ verb [ I, T ] past tense sewed, past participle sewn, sewed

to close or repair something by sewing the edges together

have sth sewn up informal

to be certain to win or succeed at something:

They had the game sewn up after the first twenty minutes.

(Definition von “sew sth up” aus dem Cambridge Learner's Dictionary © Cambridge University Press)