About
HSK levels

    le

    le

    1. (completed action marker)
    2. (modal particle indicating change of state, situation now); (modal particle intensifying preceding clause)

    我吃了饭。 Wǒ chīle fàn.

    liǎo

    1. to finish
    2. (used with 得[de2] or 不[bu4] after a verb to express (im)possibility, as in 忘不了[wang4 bu5 liao3] "cannot forget")
    3. (literary) (usually followed by a negative such as 無|无[wu2] or 不[bu4]) completely (not); entirely (not); (not) in the least
    4. to understand clearly (variant of 瞭|了[liao3])

    我已经完成了我的作业。 Wǒ yǐjīng wánchéng le wǒ de zuòyè.

    liǎo

    1. (of eyes) bright; clear-sighted
    2. to understand clearly

    他终于瞭解了这个问题的真相。 Tā zhōngyú liǎojiěle zhège wèntí de zhēnxiàng.

    liào

    1. unofficial variant of 瞭[liao4]