nightfall

n [U] time when darkness comes; dusk 傍晚; 黄昏: We hope to be back by nightfall. 我们希望傍晚时能回来.

night and day, night porter, night safe, night shift, night-bird, 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, nightgown, nightie (also nighty), nightingale, nightjar, nightly, nightmare, nightmarish, nights, nightshade, nightshirt, nightstick, nihilism, nihilist, nihilistic, nil, Nile, nimble, nimbleness, nimbly, nimbus,