Picky is accurate, although a better expression is "nit-picky."... called "nit pick." So, for someone extremely choosy or picky about something, the phrase "nit-picky" is used. Fussy...
偏食 partiality for particular kind of food ill-balanced feeding picky 挑食 挑食是某人在節食控制或在醫生囑咐的治療療程中 如 She is...
...你寧願是自己還是別人 是極被人渴求需要的. You're extremely picky whatsoever 無論如何˙你是非常挑剔(吹毛求疵)的 whatsover-------->whatsoever...