About
HSK levels

    1. texture; grain (of wood)
    2. inner essence; intrinsic order
    3. reason; logic; truth
    4. science; natural science (esp. physics)
    5. to manage; to pay attention to; to run (affairs); to handle
    6. to put in order; to tidy up

    我需要理一下我的房间。 Wǒ xūyào lǐ yīxià wǒ de fángjiān.