captious

Tending to find fault or raise petty objections, especially about trivial matters.

• captiously/ˈkæpʃəsli/(adv)吹毛求疵地
• captiousness/ˈkæpʃəsnəs/(n)吹毛求疵

• captious critic
• captious remarks
• captious objections
• captious questioning

1. 1.The captious editor returned the manuscript covered in trivial corrections but missed the structural problems. (nitpicking)
2. 2.His captious questioning during meetings made everyone reluctant to present new ideas. (fault-finding)

• pedantic/pɪˈdæntɪk/— excessively concerned with minor details
• querulous/ˈkwɛrʊləs/— whiny, complaining
• carping/ˈkɑːrpɪŋ/— difficult to please

from Latin "captiosus" — from "captio" (a catching, deception) — catching people out on trivial points