swear by
US /swer baɪ/
UK /swer baɪ/
1.
bersumpah demi, sangat percaya pada
to believe strongly in the effectiveness or truth of something
:
•
My grandmother swears by this herbal remedy for colds.
Nenek saya bersumpah demi obat herbal ini untuk pilek.
•
Many chefs swear by fresh, local ingredients.
Banyak koki bersumpah demi bahan-bahan segar dan lokal.