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HSK levels

    1. to lag or fall behind; to be missing; to leave out
    2. to leave behind or forget to bring

    我们不能让任何人落在后面。 wǒmen búnéng ràng rènhé rén luò zài hòumiàn.

    lào

    1. colloquial reading for 落[luo4] in certain compounds

    luò

    1. to fall or drop; to fall onto
    2. (of the sun) to set; (of a tide) to go out
    3. to lower; to decline or sink
    4. to lag or fall behind
    5. to rest with; to get or receive
    6. to write down
    7. whereabouts
    8. settlement

    树叶从树上落了下来。 shù yè cóng shù shang luò le xià lái.