mealy-mouthed/ˌmi:lɪˈmauðd; `milɪ`maʊðd/ adj(derog贬) not willing to speak plainly 不愿直言的; 说话拐弯抹角的 Don't be so mealy-mouthed, say what you mean! 别这麽绕弯子了, 有话直说吧!
牛津英汉双解词典