别有洞天

bié yǒu dòng tiān

a hidden world inside; far more than you expect from outside

Character by character

别bié
another

有yǒu
have

洞dòng
grotto

天tiān
heaven

这条小巷看起来很普通，走进去却别有洞天，里面是一个安静的小院子，种满了花。

The lane looks quite ordinary, but step inside and a hidden world opens up: a quiet little courtyard full of flowers.

Tone: positive (praise).

洞天 is a Daoist grotto-paradise hidden inside a mountain. Said of gardens, lanes, shops, courtyards or buildings that surprise you once you step in.

Learn this in Lesson 21 · HSK 5: 山城重庆 (Chongqing, the mountain city)

A dialogue, a reading, word cards with audio and a drill that uses it, in Learn Chinese with Bao. The first lessons of every level are free.