Maintain Chinese Fluency After the Immersion Ends
Maintaining Chinese fluency is its own discipline: you came home from Shanghai, finished the degree, or changed jobs, and the language that was everywhere is suddenly nowhere. What decays first isn't grammar, it's vocabulary depth and reading stamina.
Chenjin gives both a place to live: advanced graded reading as a daily rhythm, and spaced repetition standing guard over the words you'd otherwise lose.

A daily rhythm at the top of the library
The catalog runs to HSK 7, with essays, fiction, history, and news that stay challenging for someone who once read freely. Familiarity meters point you at material that still stretches, and full books give the long-form stamina workout short content can't.

Guard the rare words
Fluency erodes from the edges: the four-character idioms, the formal register, the vocabulary of your old job. Words you tap while reading go into an FSRS-scheduled review queue that resurfaces each one right before it would slip, which is precisely the maintenance problem.

Make the habit something you'd do anyway
Ten minutes of escape room, mystery case, or the Night Peddler's trading road is still ten minutes of real reading and listening. On the days discipline is thin, fun keeps the streak honest.

Frequently asked questions
How fast does Chinese fade without use?
Comprehension is sturdy; production and rare vocabulary go first, often within a year or two of leaving immersion. The encouraging half: maintenance costs far less than acquisition. Twenty minutes of daily reading holds a level that took years to build.
Isn't graded content too easy for a former expat?
The top of the library isn't gentle: HSK 6 and 7 essays and full-length books hold their own against native content, and the familiarity meter will find you something that still bites. If everything reads easy, that's the maintenance working.
What about speaking? Reading won't keep my tongue in shape.
Voice dictation and Tone Coach keep production honest: speak sentences back and compare your pitch against native audio, alone, in minutes a day. It's not a conversation, but it keeps the machinery warm between real ones.
Keep exploring
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