About
HSK levels

    duì

    1. right; correct
    2. towards; at; for; concerning; regarding
    3. to treat (sb a certain way)
    4. to face; (bound form) opposite; facing; matching
    5. to match together; to adjust; to fit; to suit
    6. to answer; to reply
    7. to add; to pour in (a fluid)
    8. to check; to compare
    9. classifier: couple; pair

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