Related match

What Is the Chinese Equivalent of “Don’t Judge a Book by Its Cover”?

Chinese has related warnings about incomplete judgment, though no single everyday proverb matches every use.

Closest Chinese expression路遥知马力,日久见人心
Pinyinlù yáo zhī mǎ lì, rì jiǔ jiàn rén xīn

Quick answer

The closest answer is 路遥知马力,日久见人心: True ability and character become clear through time and difficulty.

Literal translation

A long road reveals a horse’s strength; time reveals a person’s heart.

Are they completely equivalent?

路遥知马力,日久见人心 says that time reveals real ability and character. It replaces the visual surface/depth contrast with a test of duration.

When to use the Chinese saying

Use it when first impressions are insufficient and character needs time to become visible.

Other related Chinese expressions

A single English saying can point to different Chinese expressions depending on whether the speaker wants to emphasize action, patience, warning, hope, or social tone.