Together, the characters literally mean “The Guizhou donkey's skill(s) are exhausted.” The meaning is inseparable from its origin story.
The idiom 黔驴技穷 originates from a fable written by Liu Zongyuan (柳宗元), a famous writer from the Tang Dynasty (618-907 AD). The story goes:
There were no donkeys in the mountainous province of Guizhou (黔). An enthusiast shipped one in, but having no use for it, set it loose in the mountains. A local tiger saw the large animal and was terrified, thinking it was some powerful beast. It hid and observed from a distance. One day, the donkey brayed loudly, frightening the tiger, which thought it was about to be attacked.
However, after observing for a long time, the tiger noticed the donkey never did anything more than walk around and bray. Growing bolder, the tiger started to get closer, cautiously provoking the donkey. The donkey became angry and kicked out with its hoofs. The tiger was delighted! It thought to itself, “So that's all the skill (技) it has!” Having figured out the donkey's only trick, the tiger leaped upon it and ate it.
This story became a powerful metaphor in Chinese culture. It warns against being fooled by appearances (like the tiger initially was) and criticizes those who have a superficial or limited skill set (like the donkey). It underscores the value of substance, true capability, and having more than just one trick up your sleeve. Comparison to Western Concepts: This idiom is very similar to the English phrase “a one-trick pony.” Both refer to someone with a very limited range of skills. However, 黔驴技穷 carries a stronger sense of a final, definitive exposure of that limitation. It implies that the “pony's” trick has just been tried, has failed, and now there is absolutely nothing left to do. It also contains the element of an intimidating facade being broken, much like “all bark and no bite.”
黔驴技穷 is an incredibly common idiom used in various contexts today. Its connotation is almost always negative and critical, used to describe an opponent or competitor who has run out of options.