Word: 坚信 (jiānxìn) Traditional: 堅信 坚信 dictionary entry jiānxìn to believe firmly; without any doubt Full dictionary entry for 坚信 Example sentences using 坚信 2 sentences, showing page 1 of 1. 我坚信他会帮我的。 Wǒ jiānxìn tā huì bāng wǒ de. I don't doubt that he will help me. 我坚信他是无辜的。 Wǒ jiānxìn tā shì wúgū de. I have a firm belief in his innocence.