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
☆☆ RELUCTANTLY; FORCIBLY Adverb 勉强地 một cách cưỡng ép
☆☆ WITH ALL ONE'S MIGHT; AS FAR AS ONE CAN Adverb 尽力 một cách hết sức, một cách tận tâm tận lực
☆ MAKING A UNITED EFFORT TO HELP A PERSON Noun 十匙一饭十匙一饭，积少成多 lá lành đùm lá rách
☆ STRAIN; EXERT; STRENGTHEN Verb 用力，使劲，用劲 dồn sức