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'.
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ETYMOLOGY






KOREAN 3.0EngWordtypeEtym.GbVie
PROBLEM; SETBACK Noun 蹉跌 差池,差错, 失误,闪失 vấn đề, sự gặp trở ngại