晦 ⇒
晦气 huìqì, [晦氣], bad luck/unlucky/calamitous/wretched
隐晦 yǐnhuì, [隱晦], vague/ambiguous/veiled/obscure
晦涩 huìsè, [晦澀], difficult to understand/cryptic
晦暗 huìàn, dark and gloomy
晦 huì, last day of a lunar month/dark/night
韬光养晦 tāoguāngyǎnghuì, [韜光養晦], to conceal one's strengths and bide one's time (idiom)/to hide one's light under...