tact
/tækt; tækt/ n[U]
skill at not offending people or at gaining goodwill by saying or doing the right thing 言行得体不得罪人或能赢得好感的技巧
She showed great tact in dealing with a tricky situation. 她处理棘手的局面表现得十分老练.
You need a lot of tact to be an air hostess. 当空中小姐言行需十分得体.