Bedeutung von "keep sth up" - als Fremdsprache

keep sth up

phrasal verb with keep uk us /kiːp/ verb (past tense and past participle kept)

B1 to not allow something that is at a high level to fall to a lower level:

Make sure you eat properly - you've got to keep your strength up.

(Definition von "keep sth up phrasal verb, verb" von Cambridge Learner's Dictionary © Cambridge University Press)