# 一成不变 (yīchéngbùbiàn)

In Mandarin Chinese, 一成不变 (yīchéngbùbiàn) means “unchanging; set in stone”. It is part of the HSK 7–9 vocabulary list in the official HSK 3.0 standard.

- Meaning: unchanging; set in stone
- Pinyin: yīchéngbùbiàn (yi1 cheng2 bu4 bian4)
- Traditional: 一成不變
- HSK 3.0 · Level 7–9

## Examples

- 世界上没有一成不变的事物。
  Shìjiè shàng méiyǒu yīchéngbùbiàn de shìwù.
  Nothing in the world stays unchanged forever.

## Characters

- [一](https://hanziro.com/word/yi-one/) (yī): one
- [成](https://hanziro.com/word/cheng-become/) (chéng): to become; to succeed
- [不](https://hanziro.com/word/bu-not/) (bù): not; no
- [变](https://hanziro.com/word/bian-change/) (biàn): to change; to become different

https://hanziro.com/word/yi-cheng-bu-bian-unchanging/

Dictionary data: CC-CEDICT (CC BY-SA 4.0). Audio: audio-cmn (CC BY-SA).