1. when the occasion offers (±âȸ°¡ ¿Â´Ù¸é) 2. on this happy occasion (ÀÌÅä·Ï Áñ°Å¿î ¶§¿¡) 3. on rare occasion (µå¹°°Ô) 4. What is the occasion for that anxiety? (Àú·¸°Ô ºÒ¾ÈÇØÇÏ´Â ÀÌÀ¯°¡ ¹«¾ùÀԴϱî) 5. We met on three occasions. (¿ì¸®´Â ¼¼¹ø ¸¸³ ÀûÀÌ ÀÖ´Ù)