Happy (행복한):
• 유의어: joyful, delighted, pleased
• 반대어: sad, unhappy, miserable
Big (큰):
• 유의어: large, huge, enormous
• 반대어: small, tiny, little
Hot (더운):
• 유의어: warm, scorching, sweltering
• 반대어: cold, cool, chilly
Fast (빠른):
• 유의어: quick, rapid, speedy
• 반대어: slow, sluggish, gradual
Beautiful (아름다운):
• 유의어: lovely, gorgeous, stunning
• 반대어: ugly, plain, unattractive
접두사 un-:
• happy (행복한) → unhappy (불행한)
• likely (가능한) → unlikely (가능하지 않은)
• able (능력 있는) → unable (능력 없는)
접미사 -less:
• careless (부주의한) → careful (주의 깊은)
• hopeless (절망적인) → hopeful (희망적인)
• useless (쓸모없는) → useful (유용한)
접미사 -ness:
• happy (행복한) → happiness (행복)
• kind (친절한) → kindness (친절)
• dark (어두운) → darkness (어둠)
접미사 -tion:
• create (창조하다) → creation (창조)
• inform (알리다) → information (정보)
• educate (교육하다) → education (교육)