千 ㄑㄧㄢ qiān 变 ㄅㄧㄢ ˋ biàn 万 ㄨㄢ ˋ wàn 轸 ㄓㄣ ˇ zhěn 千 ㄑㄧㄢ qiān 變 ㄅㄧㄢ ˋ biàn 萬 ㄨㄢ ˋ wàn 軫 ㄓㄣ ˇ zhěn constantly changing, ever-varying (idiom)