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to swear by
[phrase form: swear]
01
を信じる, を保証する
to be certain that something is good or useful
Transitive
Example
Many athletes swear by the benefits of proper hydration for peak performance.
My grandmother swears by the traditional remedy of honey and lemon for a sore throat.
He swears by the effectiveness of the new fitness tracker.
例
Many athletes swear by the benefits of proper hydration for peak performance.
My grandmother swears by the traditional remedy of honey and lemon for a sore throat.
He swears by the effectiveness of the new fitness tracker.
She swears by the healing properties of herbal tea for relieving stress.
He swears by the effectiveness of a daily exercise routine for maintaining good health.
