mind-boggling
adjective informal uk/ˈmaɪndˌbɒɡ.əl.ɪŋ/ us/ˈmaɪndˌbɑː.ɡəl.ɪŋ/
令人难以想象的；十分惊人的
extremely surprising and difficult to understand or imagine
She was paid the mind-boggling sum of ten million dollars for that film. 那部电影她的片酬达到了上千万英镑的天文数字。