CORE WORDS
Compounds Expand your vocabulary by studying more complex words built by the 'core words'.
Etymology Explore the origin of the 'core words'.
Wordsense Learn about the wordsenses of the english term. Verbs Nouns Adjectives Pronouns Prepositions Conjunctions
TOPIK | VAIN; FRUITLESS; EMPTY | | 无意义，徒劳，白费 | 헛되다 | むだだ【無駄だ】。むなしい【虚しい・空しい】。かいがない【甲斐がない】 | vô ích, vô tích sự | VANO, INFRUCTUOSO | |