坚信 (jiān xìn): Firmly believe / be convinced (Verb) — Meaning & Stroke Order

I firmly believe that tomorrow will be better.

He never believes in those unverified rumors and gossip.

I am convinced that you will succeed, so don't be discouraged by temporary setbacks.

Despite encountering difficulties, he still firmly believes that his choice is correct.

Despite insufficient evidence, she still firmly believed in her intuition and eventually found the truth.