pernickety
/pəˈnɪkətɪ/adjective
1- informal placing too much emphasis on trivial or minor details; fussy〈非正式〉吹毛求疵的; 爱挑剔的：
she's very pernickety about her food.
她对食物非常挑剔。
1.1
- requiring a particularly precise or careful approach精细的; 要求精确的：
the system does not encourage additional enquiries on detailed and pernickety points.
该系统不鼓励在具体细节方面提出过多的质询。
词源
early 19th cent. (originally Scots)： of unknown origin.