tactful
adj. 乖巧的，圆滑的
例句
If you don't want to sound impolite, or cause embarrassment or distress of any kind to the person you're talking to, you should learn to use tactful and tentative forms in your English.
如果你不想听起来不礼貌，或对与你谈话的人造成任何形式的尴尬或窘迫，你应该学会在你的英语中使用委婉试探性的话语。
That wasn't a very tactful thing to say!
说这种话可不太得体！
《牛津词典》
I tried to find a tactful way of telling her the truth.
我设法找一个妥善的办法，把实情告诉她。
