zuó
used in 琢磨[zuo2 mo5]
Taiwan pr. [zhuo2]
雕琢
diāo zhuó
to sculpt
切磋琢磨
qiē cuō zhuó mó
lit. cutting and polishing (idiom)
琢磨
zhuó mó
to carve and polish (jade)
zuó mo
to ponder
精雕细琢
jīng diāo xì zhuó
see 精雕細刻|精雕细刻[jing1 diao1 xi4 ke4]