About
HSK levels

    1. (onom.) sound of singing, cheering etc
    2. (phonetic)
    3. (dialect) to chat

    他们在唱歌,啦啦啦啦! Tāmen zài chànggē, lā lā lā lā!

    la

    1. sentence-final particle, contraction of 了啊, indicating exclamation
    2. particle placed after each item in a list of examples

    天哪,下雨啦! tiānǎ, xiàyǔ la!