The term "little tricks" originally came from a topic in "Two Keywords of the Southern Tang Dynasty", and was later extended to a rhetorical technique and artistic technique. In the later evolution of this word, it was used to describe those writing styles that express exquisite techniques with tiny details, or to describe every word and every word, and every detail is intricate. But understood literally, "little skills" usually refers to the small techniques of carving like insects.
The original meaning was derogatory, but later it gradually transformed into a neutral term or even a complimentary term. In literary creation, it is often used to describe the author's creative style that pays too much attention to details, ornately embellishes, and disregards the overall situation.
In everyday language, it can also describe small and exquisite techniques such as handicrafts.
In academics or art, if someone says "little tricks", they are usually criticizing the other person's technique for paying too much attention to details and ignoring more important aspects.
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