explain
1. Missed the opportunity; Make mistakes.
2. delay military aircraft.
source
Yan Zhitui's Family Instructions of Yan in Northern Qi Dynasty: "Life is young, and spirit is patented. When you grow up, you should think about it and escape. You must teach early and don't miss the opportunity. "
Joan's Miscellaneous Notes on Shuangxi: "It is true that the governors of all provinces in Shandong are constitutional, and the governors of Xiao are constitutional. There is no way to help and control them. Officials and schools are sent to Beijing to ask about opportunities. "
"As a lesson from the past, the blunt scholar once made friends with Thailand": "Who knows, when Beilu first became a bandit, he plundered people and animals. General Lu missed the opportunity and came to Beijing to apologize. Even Assistant Minister You was dismissed."
Wei Qingyuan's "Wu Shengji" Volume 12: "In the battle of San Francisco, he succeeded the county king, Prince Jane, to stay in Chu, Bellevue lost several places in Shaanxi, and Governor Jin Guangzu defended Guangdong."