玩弄於股掌之上 (wun6 lung6 jyu1 gu2 zoeng2 zi1 soeng6) — play someone like a fiddle; play someone like a cheap violin in Cantonese
wunˍ₆玩lungˍ₆弄jyuˉ¹於guˊ²股zoengˊ²掌ziˉ¹之soengˍ₆上简 玩弄于股掌之上
Mandarin Pinyin: wan2 nong4 yu2 gu3 zhang3 zhi1 shang4
Meaning of 玩弄於股掌之上
nounplay someone like a fiddle; play someone like a cheap violin