암기暗記 learning by heart 암흑暗黑 darkness; blackness 명암明暗 light and shade 암갈색暗褐色 dark brown; dun; umber 암거래暗去來 black-market dealings; illegal trade; traffic 암거래상暗去來商 black marketeer; trafficker 암기력暗記力 memory 암매장暗埋葬 secret burial 암묵暗默 silence; tacitness 암묵적暗默的 silent; tacit 암묵적暗默的 tacit 암살暗殺 assassination 암살단暗殺團 hit team 암송暗誦 recitation 암시暗示 hint; suggestion; cue 암시성暗示性 hinting; suggesting 암시장暗市場 black market 암실暗室 darkroom 암암리暗暗裡 being secretly; being covertly; being implicitly 암암리暗暗裡 being secretly; being covertly; being implicitly 암울暗鬱 gloom; dismalness 암중모색暗中摸索 groping in the dark; fumbling in the dark 암초暗礁 rock; reef 암표暗票 illegal ticket; scalped ticket 암호暗號 cryptograph; secret code; secret language 암호화暗號化 encoding; enciphering 암흑가暗黑街 underworld; gangland 암흑기暗黑期 dark age; period of darkness 암흑시대暗黑時代 dark age; era of darkness 암행어사暗行御史 amhaeng-eosa