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
☆ FISH IN TROUBLED WATERS; PLAYING BOTH ENDS AGAINST THE MIDDLE Noun 渔夫之利渔夫之利，坐收渔利，渔翁得利 ngư ông đắc lợi