English version

be a (great/firm) believer in something

From Longman Dictionary of Contemporary Englishbe a (great/firm) believer in somethingbe a (great/firm) believer in somethingAPPROVEto believe strongly that something is good and effective šŸ”Š Iā€™m a great believer in regular exercise. ā†’ believer
Examples from the Corpus
be a (great/firm) believer in somethingā€¢ Daley was a firm believer in the bootstrap theory.ā€¢ He was a firm believer in the power of prayer.ā€¢ He was a great believer in expressing aggression, not bottling it up.ā€¢ Lampard was a great believer in eating whenever you could.ā€¢ Letterman is a believer in the immigrant mentality.ā€¢ Molly was a believer in homeopathy and underwent her last operation and subsequent treatment in the Royal London Homeopathic Hospital.ā€¢ She is a believer in fundamentals, in technique.ā€¢ Tip is a firm believer in fate, and in 1961 the finger pointed in the right direction for him.
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