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
☆☆ STRANGE; BIZZARE; ECCENTRIC Adjective 出乎意料，意想不到 lạ lẫm
☆ UNFAMILIAR; STRANGE Adjective 生疏 하다 陌生 lạ lẫm, mới mẻ