swear by
US /swer baɪ/
UK /swer baɪ/
1.
jurar por, confiar ciegamente en
to believe strongly in the effectiveness or truth of something
:
•
My grandmother swears by this herbal remedy for colds.
Mi abuela jura por este remedio herbal para los resfriados.
•
Many chefs swear by fresh, local ingredients.
Muchos chefs juran por los ingredientes frescos y locales.