Bedeutung von "swear by sth" - als Fremdsprache

swear by sth

phrasal verb with swear uk us /sweər/ verb (past tense swore, past participle sworn)

to believe strongly that something is useful or effective:

Have you tried using vinegar to clean windows? My Mum swears by it.

(Definition von "swear by sth" von Cambridge Learner's Dictionary © Cambridge University Press)