Used in some colloquial words, such as "make a fool of yourself" and "show the cloven foot".
lù:
At night, the water vapor near the ground condenses into small water balloons: ~ water. White ~. Cold ~. Tide (zhāo )~ ~. Gan ~.
◎ Outside, without cover: ~ days. ~ stay. ~ camp.
◎ Drinks or medicines made by adding herbs or fruit juice: ~ wine. Loquat.
◎ Moisturizing: covering all people.
◎ Performance and appearance: ~ cloth (a. Announcement; B. Ancient refers to unopened documents; C. talk; D. good news, etc. ) ~ bones. Naked ~. Spit ~. Uncover ~ Violence.
This should be a more formal written language, which is interpreted as "performance and appearance" in Lu's second pronunciation.