1 (wiktionary) 2 (vi.wikipedia) 3 (en.wikipedia) 4 (glosbe)

Core Words Familarize yourself with the 'core words'.
Compounds Expand your vocabulary by studying more complex words built by the 'core words'.
Wordsense Learn about the wordsenses of the english term.

ETYMOLOGY

KOREAN 3.0 Eng Wordtype Etym. Gb Vie
☆☆ EMERGENCY; CONTINGENCY; BEING IN CRISIS Noun 非常紧急，非常 sự khẩn cấp, sự gấp rút, lệnh khẩn
☆☆ CRISIS; EMERGENCY Noun 危机危机 nguy cơ, khủng hoảng
☆ CRISIS; CRITICAL MOMENT Noun 关头，节骨眼 lúc cốt tử, khoảnh khắc mấu chốt, giai đoạn quyết định, chặng khó khăn