hyperbole/haɪˈpɜ:bəlɪ; haɪ`pəbəlɪ/ n[U, C]exaggeratedstatement that is made for special effect and is not meant to be taken literally, eg I've invited millions of people to my party 夸张（修辞手段, 如我请来赴宴的人成千上万）.
牛津英汉双解词典