纯熟

yǎn jì chún shú

演技纯熟

be skilled at acting

gōng yì chún shú

工艺纯熟

experienced process

wài yǔ chún shú

外语纯熟

be skilled in a foreign language

mù gōng xū yào chún shú jì qiǎo

木工需要纯熟技巧。

Carpentry is a highly skilled trade.

wǒ céng wèn tā rú cǐ chún shú de jì shù shì fǒu néng xué huì

我曾问他，如此纯熟的技术，是否能学会。

I ever asked him, if other people could learn such skillful operation.