night-bird

n 1 bird (eg an owl) that is active at night 夜间活动的鸟（如猫头鹰）. 2 (fig infml 比喻, 口) person who is most active at night 夜间活动的人.

nicotine, niece, niff, niffy, nifty, Nigeria, Nigerian, niggard, niggardliness, niggardly, nigger, niggle, niggling, nigh, night, night after night, night and day, night porter, night safe, night shift, night-blindness, night-club, night-gown, night-life, night-light, night-line, night-long, night-school, night-shirt, night-soil, night-staff, night-time, night-watch, night-watchman, nightcap, nightfall, nightgown, nightie (also nighty), nightingale, nightjar,