on the bull's eye
¸íÁßÇÏ´Ù. 
ÀûÁßÇÏ´Ù. Á¤È®ÇÏ´Ù. Á¤¹ÐÇÏ´Ù. ÀÌ·± ¸»À» ÇÒ ¶§...
All of Jenny's answers were on the bull's eye, and the teachers let her graduate despite her young age.
Á¦´ÏÀÇ ´äÀº ¸ðµÎ Á¤È®È÷ ¸Â¾Ò°í, ¼±»ý´ÔµéÀº Á¦´ÏÀÇ ¾î¸° ³ªÀÌ¿¡µµ ºÒ±¸ÇÏ°í Á¹¾÷À» Çã¶ôÇß´Ù.
(after drinking a cold soda on a hot day) Oh, that hit the bull's eye.
(´õ¿î ³¯ Âù ¼Ò´Ù¸¦ ¸¶½Å ÈÄ) ¿À, ³»°¡ ¹Ù·Î ÇÊ¿äÇß´ø°Å¾ß.
nailed it
ÀßÇß´Ù. ÇÕ°ÝÇß´Ù. ÀÌ·± Àǹ̵µ ÀÖÁö¸¸... 
Á¤È®È÷ ¸ÂÃß¾ú´Ù¶ó´Â Ç¥ÇöÀÌ µÇ±âµµ ÇÏÁÒ...
nailed itÀÇ ¿ô±ä À̹ÌÁö¸¦ Á» º¸°í °è¼Ó ÇÒ±î¿ä? ^ ^
on the money
°°Àº ¸»ÀÔ´Ï´Ù. ÀûÁßÇÏ´Ù. Á¤È®ÇÏ´Ù. 
Your notes are right on the money.
³× À½Àº Á¤È®ÇÏ´Ù.
°°Àº Àǹ̸¦ °¡Áø ´Ù¸¥ Ç¥ÇöÀ¸·Î´Â:
on the dot
Be there at 3 o'clock, on the dot.
Á¤È®È÷ 3½Ã¿¡ ³ª¿Í¶ó.
dead on
right on 
spot on