こだわる

Sasai na koto ni kodawatte nōhin ga okureta.He got hung up on minor details, and he was late delivering [the product].

Mushi sureba yoi no ni, dōshite kodawaru no.You should be ignoring that, so why are you worrying about it?

menyū no kotobazukai ni kodawari monku o iuto nitpick and complain about the wording of the menu

hinshitsu ni kodawaruto be careful about quality, to be particular about quality