《北史·列传·卷四十》
芒山大捷后，后主对长恭说： 深入敌阵太远，失利了恐怕后悔不及。 
芒山之捷，后主谓长恭曰： 入阵太深，失利悔无所及。 
After the great victory at Mang Mountain, the Empress said to Changgong: When you went deep inside the enemy lines, if you had suffered a setback, it would have been too late to regret.
<s>[INST] For each of the following sets of Classical Chinese and Modern Chinese sentences, provide an English translation that captures the essence of both: Classical: 芒山之捷，后主谓长恭曰： 入阵太深，失利悔无所及。  Modern: 芒山大捷后，后主对长恭说： 深入敌阵太远，失利了恐怕后悔不及。  [/INST] After the great victory at Mang Mountain, the Empress said to Changgong: When you went deep inside the enemy lines, if you had suffered a setback, it would have been too late to regret.</s>
For each of the following sets of Classical Chinese and Modern Chinese sentences, provide an English translation that captures the essence of both: Classical: 芒山之捷，后主谓长恭曰： 入阵太深，失利悔无所及。  Modern: 芒山大捷后，后主对长恭说： 深入敌阵太远，失利了恐怕后悔不及。
user
After the great victory at Mang Mountain, the Empress said to Changgong: When you went deep inside the enemy lines, if you had suffered a setback, it would have been too late to regret.
assistant