狐 (hú): Fox. In Chinese folklore, foxes are often depicted as cunning, sly, and deceptive creatures, sometimes shape-shifting spirits that lead people to ruin.
朋 (péng): Friend. This character is composed of two identical components (月), originally representing two strings of cowrie shells, an ancient form of money. The pairing suggests association and connection.
狗 (gǒu): Dog. While dogs are beloved pets today, in many classical Chinese idioms and contexts, they can symbolize something base, lowly, or unrefined.
友 (yǒu): Friend. This character's ancient form shows two hands reaching toward each other, symbolizing camaraderie and mutual help.
The combination of these characters is highly illustrative. It takes the neutral concepts of friends, 朋 (péng) and 友 (yǒu), and qualifies them with the negative attributes of the 狐 (hú) and 狗 (gǒu). The result is a vivid label for a group that is not just a collection of individuals, but a pack that brings out the worst in each other through cunning and base behavior.