syc·o·phan·tic /ˌsɪkəˈfæntɪk◂/ adjectiveadj formal praising important or powerful people too much because you want to get something from them – used to show disapproval 溜须拍马的,阿谀奉承的〔含贬义〕 sycophantic journalists 好溜须拍马的新闻记者
a sycophantic letter 一封阿谀奉承的信
—sycophancy /ˈsɪkəfənsi/ noun [uncountableU]