Used before nouns and noun phrases that denote a single but unspecified person or thing.
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1. a kindness (Ä£ÀýÇÑ ÇàÀ§) 2. a fire (¸ð´ÚºÒ, ÈÀç, ³·ÎºÒ) 3. a murder (»ìÀÎ »ç°Ç) 4. a beer (¸ÆÁÖ ÇÑ ÀÜ) 5. This may not be the perfect solution, but it is a solution. (ÀÌ°ÍÀº ¿Ïº®ÇÑ ÇØ°áÃ¥Àº ¾Æ´Ï³ª ±×Àú ±×¸¸ÇÑ ÇØ°áÃ¥ÀÌ´Ù)