About
HSK levels

    tōng

    tōng

    1. to go through; to connect; open
    2. to know well; to communicate
    3. to clear
    4. (suffix) expert
    5. classifier for letters, telegrams, phone calls etc

    这条道路通往山顶。 zhè tiáo dàolù tōngwǎng shānding.

    tòng

    1. classifier for an activity, taken in its entirety (tirade of abuse, stint of music playing, bout of drinking etc)

    他喝了一通啤酒。 Tā hēle yī tōng píjiǔ.