旰食之劳

Explanation: It was already late for dinner. Describe the diligent conduct of public affairs. 　　Source: "Jinshu Guo Pu Biography": "Otherwise, there must be fear of the future trespass sun and wet of the disaster, collapse shock thin corrosion of the change, mad bookworm vicious cunning demon to His Majesty Gansi of labor also benefit." 　　Examples: However, His Majesty the Emperor Ren Christine Bosch, theosophy Qu, bow forget ~, sitting about Nisshin the government. ★ Song Wang "Imperial Emperor begging normalization of the main hall meal table."