If new neurons are being formed every day in our brain, how can we hold onto these cells and not let them simply die away?(如果大腦中新生神經元每天都在不斷形成，那我們怎樣才能維持這些細胞，不讓它們輕易凋亡呢？)

The fire in the forest is dying down, and will soon die away.(森林的火勢在逐漸減弱，不久會消失的。)

Do not let Heidi go away again before I die.(在我死之前，別讓海蒂再走了。)

With unutterable misery, the fettered little King heard the voices and footsteps fade away and die out.(戴著腳鐐的小國王聽到聲音和腳步聲漸漸消失，直到聽不見。真是說不出的痛苦。)

Again, it is whom that makes the deep affection die away?(又是誰把一腔情深舞落成殤？)

Lykke Friis: We'll make burning fossil fuels die away.(呂珂?弗里斯：我們要漸漸停止使用化石燃料。)

These rumors will soon die away.(這些謠言不久就會逐漸消失。)

As a result, they become starved of oxygen and the delicate cells die away.(結果，他們成為缺乏氧氣脆弱的細胞而消失。)

We have seen polyandry change its form till it allowed of kinship through males, and then die away into an obligation on younger brothers in turn to espouse the widow of the eldest brother;(我們看到一妻多夫改變其形式直到允許通過男性的血族關系，隨后消失在兄弟們依序娶長兄的寡婦的義務中；)

No one is actually dead until the ripples they cause in the world die away. —Terry Pratchett, Reaper Man.(當一個人留在世上的最后一絲漣漪都消失殆盡的時候，他才算真正的死亡?！乩?普拉切特《靈魂收割者》。)