I'm behind in my work.
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A: Want to go for a beer tonight?
    ¿À´Ã ¹ã¿¡ ¸ÆÁÖ ÇÑÀÜ ¾î¶§?
B: No, I'm behind in my work.
   ³ ¾ÈµÅ. ÀÏÀÌ ¹Ð·È°Åµç.
A: Okay, maybe next time.
   ±×·³, ´ÙÀ½¿¡ ÇÏÀÚ.
 *go for a beer : ¸ÆÁÖ ¸¶½Ã·¯ °¡´Ù
 *be behind in : (ÀÏÀÌ) ÃÄÁ® ÀÖ´Ù