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CORE WORDS










TOPIK ☆☆ To work hard to do something.
WORK HARD; TRY HARD; FOCUS ON DEDICAR ESFUERZO TRAVAILLER DUR:
费心，花力气，用心，努力 じんりょくする【尽力する】。ほねをおる【骨を折る】 힘쓰다 gắng sức, nỗ lực