《幼学琼林·卷四·鸟兽》
胜负未分之时，就说不知 鹿死谁手 ；基业江山换了主人，就好比 燕入他家 。
胜负未分，不知鹿死谁手；基业易主，正如燕入他家。
 When the outcome is uncertain, it is said that it is unknown who will die; Passing on the foundation to another owner is like a swallow entering a new home.