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
☆☆ TRIFLING; TRIVIAL Adjective 些少 하다 琐碎，微不足道 nhỏ nhặt
☆ TRIVIAL; TRIFLING Adjective 不怎么样，不怎么好 tầm thường
☆ TRIFLING; TRIVIAL; INSIGNIFICANT Adjective 不怎么样，差劲，无聊 vớ vẩn
☆ WORTHLESS; TRIFLING Adjective 无足轻重，卑微，微薄 không có giá trị, không đáng giá, không ra gì