《资治通鉴·后周纪·后周纪四》
孙晟对冯延巳说： 此行应当由您左相出使，然而我孙晟如果推辞，那就有负先帝烈祖厚望。 
晟谓冯延己曰： 此行当在左相，晟若辞之，则负先帝。 
Sun Shen said to Feng Yanqi: You, the Senior Minister, should have gone on this mission, but if I, Sun Shen, beg off, then I would be failing the great expectations of my ancestors.
<s>[INST] Convert the following English text into Classical Chinese: Sun Shen said to Feng Yanqi: You, the Senior Minister, should have gone on this mission, but if I, Sun Shen, beg off, then I would be failing the great expectations of my ancestors. [/INST] 晟谓冯延己曰： 此行当在左相，晟若辞之，则负先帝。 </s>
Convert the following English text into Classical Chinese: Sun Shen said to Feng Yanqi: You, the Senior Minister, should have gone on this mission, but if I, Sun Shen, beg off, then I would be failing the great expectations of my ancestors.
user
晟谓冯延己曰： 此行当在左相，晟若辞之，则负先帝。
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