Nitpicking is the same idea as nit-picking, written as one word: finding tiny faults and treating them as important. It can name the habit (“I am tired of the nitpicking”) or describe a comment (“a nitpicking remark”). Informal, and usually a complaint.

Nitpicking is the same idea as nit-pickingNitpicking跟nit-picking是同一個意思, written as one word只是寫成一個字: finding tiny faults and treating them as important就是挑出小毛病然後把它們當一回事。It can name the habit它可以指這個習慣 (“I am tired of the nitpicking”)像「I am tired of the nitpicking」, or describe a comment或用來形容一句評論 (“a nitpicking remark”)像「a nitpicking remark」。Informal, and usually a complaint是口語用法，而且通常帶抱怨語氣。

The picture still comes from picking nits — tiny louse eggs — out of hair, one by one.

The picture still comes from這個畫面來自 picking nits挑nits — tiny louse eggs也就是蝨子的小卵 — out of hair從頭髮裡, one by one一個一個挑出來。

Though actually, English has not settled on one spelling. Hyphen, one word, even two words turn up; learners’ books often show nit-picking and nitpicking side by side. The meaning does not change.

Though actually不過其實, English has not settled on one spelling英文的拼法沒有統一。Hyphen, one word, even two words turn up加連字號、寫成一個字、甚至寫成兩個字都有人用; learners' books often show nit-picking and nitpicking side by side學習者的書常常把nit-picking和nitpicking並列出現。The meaning does not change意思並不會因此改變。

Use it when you want to say the fuss is too small, not when you only mean “careful checking.”

Use it when you want to say the fuss is too small想說小題大作的時候才用這個字, not when you only mean “careful checking.”不是單純指「仔細檢查」的時候。