yīchéngbùbiàn
Mandarin
Romanization
yīchéngbùbiàn
(
Zhuyin
ㄧ ㄔㄥˊ ㄅㄨˋ ㄅㄧㄢˋ
)
Hanyu Pinyin
reading of
一成不變
/
一成不变