´Ü¾î : unbeknown / ¹ßÀ½ : ¾ð*ºñ³ë¿î
¶æ : ~°¡ ¸ð¸£´Â, ~°¡ ¸ð¸£°Ô (~ to sb)
¶æ(¿µ¾î) : happening or existing without the knowledge of someone specified
¿¹¹® : ±×³à°¡ ¸ð¸£°Ô ±×µéÀÌ ±ô¦ ÆÄƼ¸¦ ÁغñÇß¾ú´Ù.
¶æ : Unbeknown to her, they had organized a surprise party.