To be obliged or required by morality, law, or custom.
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1. I must be going now. (ÀÌÁ¦ °¡¾ß°Ú½À´Ï´Ù) 2. He must be at home. I see his car in his garage. (±×´Â Áý¿¡ ÀÖ´Â °ÍÀÌ Æ²¸²¾ø´Ù. ±×ÀÇ Â÷°¡ Â÷°í¿¡ ÀÖ´Â °ÍÀ» ºÁ¼´Â) 3. That man must have stolen it! (±× »ç¶÷ÀÌ ±×°ÍÀ» ÈÉÃÆÀ½¿¡ Ʋ¸²¾ø´Ù) 4. He cannot be so young; he must be over thirty. (±×°¡ ±×·¸°Ô ÀþÀ» ¸®°¡ ¾ø´Ù. ±×´Â Ʋ¸²¾øÀÌ 30¼¼´Â ³Ñ¾úÀ» °ÍÀÌ´Ù) 5. All men must die. (¸ðµç Àΰ£Àº ¹Ýµå½Ã Á״´Ù)