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
☆☆ BLOCK; SCREEN; SHIELD; OBSCURE Verb 遮挡，遮蔽，蒙 che, chặn
☆ SHIELD Noun 防牌/旁牌盾牌 cái khiên