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
☆ LISTENING ATTENTIVELY; LISTENING COURTEOUSLY; BEING ALL EARS Noun 倾听倾听 sự chú ý lắng nghe
☆ ATTENTIVE; CAREFUL Adjective 细心 하다 细心，周到 thận trọng, kỹ lưỡng, sâu sát, kỹ càng