About
HSK levels

    1. (prefix) can; may; able to; -able; to approve; to permit
    2. to suit
    3. (particle used for emphasis) certainly; very
    4. but; however

    我可以帮助你吗? Wǒ kěyǐ bāngzhù nǐ ma?

    1. used in 可汗[ke4 han2]