《晋书·列传·第四章》
杜预安排妥当后，就奏请讨伐吴国的日期。
预处分既定，乃启请伐吴之期。
After Du Yu had made proper arrangements, he submitted a memorial requesting the date for the expedition against the state of Wu.
<s>[INST] Explain the meaning of this Classical Chinese passage in English: 预处分既定，乃启请伐吴之期。 [/INST] After Du Yu had made proper arrangements, he submitted a memorial requesting the date for the expedition against the state of Wu.</s>
Explain the meaning of this Classical Chinese passage in English: 预处分既定，乃启请伐吴之期。
user
After Du Yu had made proper arrangements, he submitted a memorial requesting the date for the expedition against the state of Wu.
assistant