About
HSK levels

    rùn

    1. moist; glossy; sleek; to moisten; to lubricate
    2. to embellish; to enhance
    3. profit; remuneration
    4. (neologism c. 2021) (slang) (loanword from "run") to emigrate (in order to flee adverse conditions)

    这个护肤霜能使皮肤润滑。 Zhège hùfūshàn néng shǐ pífu rùnhuá.