班 門 弄 斧 bān mén nòng fǔ : display one's slight skill before an expert

才 cái : ability; talent; endowment; gift; an expert; only (then); only if; just

Big5: , Unicode: 624d (才),
Links: MT, Cantonese, Ld, Chinese Language

分 析 人 士 fēn xī rén shì : analyst; expert

琳 .戴 維 斯 lín dài wéi sī : Lynn Davis (US State Department arms control expert)

拿 手 ná shǒu : expert in; good at

擅 長 shàn cháng : to be good at; to be expert in

師 [师] shī : a division (milit.); teacher; master; expert; model

Big5: , Unicode: 5e2b (師),
Links: MT, Cantonese, Ld, Chinese Language

醫 療 經 驗 yī liáo jīng yàn : medical expertise

醫 學 專 家 yī xué zhuān jiā : medical expert; medical specialist

專 [专] zhuān : for a particular person, occasion, purpose; focused on one thing; special; expert; particular (to sth); concentrated; specialized

Big5: , Unicode: 5c08 (專),
Links: MT, Cantonese, Ld, Chinese Language

專 家 zhuān jiā : expert; specialist

專 家 評 論 zhuān jiā píng lùn : expert commentary

專 業 人 才 zhuān yè rén cái : expert (in a field)