About
HSK levels

    zéi

    1. thief; robber
    2. (bound form) traitor; subversive; (bound form) evil; wicked
    3. sly; shifty; devious
    4. (literary) to harm; to injure
    5. (coll.) extremely; insanely; damn (common in NE China and Taiwan)

    警察抓住了那个贼。 Jǐngchá zhuāzhù le nàge zéi.