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

Core Words Familarize yourself with the 'core words'.
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ETYMOLOGY

KOREAN 3.0 Eng Wordtype Etym. Gb Vie
☆☆☆ WORRY; ANGUISH Noun 苦闷苦闷，苦恼 sự lo lắng, sự khổ tâm
☆☆ WORRY; CONCERN Noun 忧虑忧虑，担忧，担心 sự lo ngại, sự lo nghĩ, sự lo lắng
☆☆ WORRIED; CONCERNED Adjective 担忧，发愁 lo lắng
☆ CONCERN; WORRY Noun 念虑顾虑，惦记，担心，挂念 sự lo lắng
☆ CAUSE OF WORRY Noun 愁事，心事 điều lo lắng, việc lo lắng
☆ FRETTING; IMPATIENCE Noun 焦急，焦心 sự bồn chồn, sự lo lắng
☆ BE ANXIOUS; BE IN SUSPENSE; BE JITTERY Verb 心焦，煎熬，焦灼 lo âu, lo lắng, băn khoăn, khắc khoải
☆ ABSURD; NONSENSICAL; RIDICULOUS Adjective 荒唐 하다 荒唐 vớ vẩn, lố bịch, tầm phào, lố lăng
☆ ANXIOUS; REGRETTABLE Adjective 依恋，深情 lo lắng, lo âu