N-SING (讨好对手等的)魅力攻势 If you say that someone has launched a charm offensive, you disapprove of the fact that they are being very friendly to their opponents or people who are causing problems for them. (讨好对手等的)魅力攻势 [journalism, disapproval]
He launched what was called a charm offensive against MPs who might not support the Government. [+ against]