do down
phrasal verbdo somebody/something down (British English, informal)
to criticize somebody/something unfairly 诋毁；说…的坏话 The media is always doing British industry down. 媒体总是贬低英国工业。
to take an unfair advantage over somebody 失败： 对某人采取不公平的优势He sees himself as the little man being done down by the powerful. 他认为自己是一个被权贵打倒的小人物。