nitpicking

I can get down to nitpicking detail, I am pretty fussy about certain things.

我会挑剔细节，我对某些事情相当吹毛求疵。

——柯林斯例句

He cannot understand a general argument, he always asks nitpicking little questions.

他不能理解总的论点, 总是问一些无关紧要的枝节问题.

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But all that is nitpicking.

但所有这些只是我挑选的一部分.

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