croire dur comme fer
French edit
Etymology edit
Literally, “believe (something) hard as iron”.
Pronunciation edit
Verb edit
Further reading edit
- “croire”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.
- “dur”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.