nit-picking

adj, n [U] (derog 贬) finding fault in a petty way 挑剔（的）; 刻薄（的）: nit-picking criticism 刻薄的批评.

nimbly, nimbus, nincompoop, nine, nine-, ninepin, nineteen, nineteenth, ninetieth, ninety, ninny, ninth, ninthly, nip, nipper, nipple, nippy, nirvana, Nissen hut, nit, nitpick, nitpicking, nitrate, nitre (US niter), nitric, nitric acid, nitrogen, nitrogenous, nitrous, nitrous oxide (also laughing-gas), nitty-gritty, nitwit, nitwitted, nix, no, no doubt, no fewer than, no later than, no less, no less than,