| 不经一事不长一智 | bu4 jing1 yi1 shi4 bu4 zhang3 yi1 zhi4 | wisdom comes from experience |
| 不为人知的 | bu4 wei2 ren2 zhi1 de5 | unbeknown |
| 了如指掌 | liao3 ru2 zhi3 zhang3 | to know like one's own palm |
| 冷暖自知 | leng3 nuan3 zi4 zhi1 | (set phrase) |
| 来历不明 | lai2 li4 bu4 ming2 | of unknown origin |
| 略知一二 | lve4 zhi1 yi1 er4 | a smattering |
| 相见恨晚 | xiang1 jian4 hen4 wan3 | It is nice to meet you finally. |
| 见怪不怪 | jian4 guai4 bu4 guai4 | to be totally jaded |
| 识得 | shi4 de2 | to know |
| 韩非 | han2 fei1 | Han Fei, also known as Han Feizi 韓éžå韩éžå[Han2 Fei1 zi3] (c. 280-233 BC), Legalist philosopher of the Warring States Period (475-220 BC) |
| 一问三不知 | yi1 wen4 san1 bu4 zhi1 | to know nothing |
| 世界闻名 | shi4 jie4 wen2 ming2 | world famous |
| 乌鲁汝 | wu1 lu3 ru3 | also known as Ayers Rock |