Source: The Biography of Han Huo Guang by Ban Gu in the Eastern Han Dynasty: "I have been in and out of the Forbidden City for more than 20 years, and I have never been careful. I have never met my cronies. "
2. Be cautious (? jǐn Xiǎo shèn wüI？ ): Too cautious and timid to let go.
Source: An's "Huai Nan Zi Ren Xun": "A saint is cautious and must not lose time."
3. Be careful (? Xi: Serious and cautious. This means seriousness and respect. Now describe caution, I dare not neglect.
Source: The Book of Songs Daya Daming: Wei Wenwang, be careful.
4. Watch your mouth (? Jǐn yán shèn xíng): Watch your words and deeds.
Source: The Book of Rites and Clothes by Dai Sheng in the Western Han Dynasty: "A gentleman and a Taoist forbid people to do what they say, so they must worry about the end, but they must stop doing it, so they must be cautious."
5. Down-to-earth (ji m: o tà shí di? ): Metaphor is practical and serious.
Source: Song Shao Bowen's "Previous News", volume 18: "The public asked Kang Jie:' What is someone like?' Say,' You are a down-to-earth person.' "?