Kong Rong was very sad，and hoped that his child-ren would be safe and sound。Just as he tried to appeal to the officers，the two children let out this utterance：“Father，you need not try in vain。How can they let go of us if you beg them honey-mouthedly。This is just like a bird's nest being torn down。How can the eggs be safe and sound！”The two children then followed at their father's heel，and the Kongs were killed one by one。Later when people mentioned this，they sighed and lamented for quite some time。They remember the words out of the children's mouths，“How Can Eggs Remain Unbroken When the Nest Is Ruptured”。
By and by this line turned into an idiom，in memory of the old things，accusing the reckless Cao Cao of killing the innocent and intelligent children。
This idiom now implies“if something is damaged on the whole，its fracture and each part are ruined as well”。