fact of life

柯林斯词典

1. N-COUNT You say that something which is not pleasant is a fact of life when there is nothing you can do to change it so you must accept it. 現實; 無法改變的事實
Stress is a fact of life from time to time for all of us. 壓力對我們所有人來說都是時常麪對的現實。
2. N-PLURAL If you tell a child about the facts of life, you tell him or her about sexual intercourse and how babies are born. 性知識['the' N]
There comes a time when children need to know more than the basic facts of life. 兒童到了一定的時候就需要了解更多的性知識。