As a Cultural Touchstone: Mentioning 刘慈欣 (Liú Cíxīn) or his work, especially `三体 (Sān Tǐ)`, is a common way for people, particularly younger, educated individuals, to signal their interest in science, technology, and literature. It's a frequent topic in conversations about books, films, and the future.
The Nickname “大刘 (Dà Liú)”: In conversation and online, fans and critics alike almost universally refer to him by his affectionate nickname, 大刘 (Dà Liú), which translates to “Big Liu.” In this context, `大 (dà)` doesn't mean physically large; it denotes seniority, respect, and paramount importance in his field. Using this nickname shows a degree of familiarity with the culture surrounding his work.
From Sci-Fi to Business Slang: Concepts from his books have entered mainstream Chinese discourse. For instance, `降维打击 (jiàngwéi dǎjī)`, or “dimensionality reduction strike,” is a terrifying weapon in his books. It has now become a popular buzzword in Chinese business and tech circles to describe a competitor using a completely new, paradigm-shifting technology or business model to render the existing market obsolete.