A nitpicker is a person who looks for tiny faults and will not let them go. The picture is the same as nit-picking: someone going through hair for nits, those tiny louse eggs, and then using that picture for a person who picks at every small mistake.

A nitpicker is a person who looks for tiny faultsnitpicker指的是那種一直在找小毛病的人 and will not let them go而且抓到就不放 The picture is the same as nit-picking這個畫面跟nit-picking一樣 someone going through hair for nits, those tiny louse eggs就是有人在頭髮裡翻找nits，那些小小的蝨子卵 and then using that picture for a person who picks at every small mistake然後把這個畫面拿來形容那種每個小錯誤都要挑的人

We use it about people, not about things. It is informal, and it is almost always unkind.

We use it about people, not about things我們用它來說人，不是用來說事情 It is informal, and it is almost always unkind這是個口語的字，而且幾乎都不太友善

You might say it with a laugh about a friend who checks every comma, or with real annoyance about a boss. Though actually, every team needs someone who catches the small mistakes before a letter goes out — the sting is in the idea that the person cares about the wrong size of thing. You may also see nit-picker with a hyphen; same person.

You might say it with a laugh about a friend who checks every comma你可能笑著用它形容一個連逗號都要檢查的朋友 or with real annoyance about a boss也可能是真的不爽地用它形容一個老闆 Though actually, every team needs someone who catches the small mistakes before a letter goes out不過其實每個團隊都需要一個在信件寄出前抓出小錯誤的人 the sting is in the idea that the person cares about the wrong size of thing刺人的地方在於，這暗示這個人在意的東西「份量不對」 You may also see nit-picker with a hyphen; same person你也可能看到帶連字號的nit-picker，指的是同一種人