niggle

动词 niggle:

1. worry unnecessarily or excessively
   同义词：fuss, fret
2. argue over petty things
   同义词：quibble, pettifog, bicker, squabble, brabble

1. Our lawyers will niggle over every little detail of the case.
   我们的律师们会就这个案件的每一个细节进行辩论。
2. I don't see why they should niggle over paying a few pounds into the fund. They're rich enough.
   我不理解他们为什么对给这笔资金支付几个英镑的小事大动脑筋，他够富的了。

nig.gle

v.intr.（不及物动词）
nig.gled,nig.gling,nig.gles
To be preoccupied with trifles or petty details.
费神，操心：沉溺于琐碎小事
To find fault constantly and trivially; carp.See Synonyms at quibble
吹毛求疵，找碴：常在细枝末节处找错误参见 quibble

来源：
[Perhaps of Scandinavian origin]
[可能源于斯堪的纳维亚语]

【引伸】
nig.gler
n.（名词）