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
☆☆☆ INTEREST; ATTENTION Noun 关心关注，关心 mối quan tâm
☆☆ INDIFFERENCE; DISINTEREST Noun 无关心漠不关心，冷漠 sự không quan tâm