Diplomatic means relating to diplomacy and diplomats.
例句
...before the two countries resume full diplomatic relations...在两国恢复全面的外交关系之前Efforts are being made to avert war and find a diplomatic solution...各方正在为避免战争、寻求外交解决途径而作出积极的努力。
ADJ-GRADED
有手腕的;讲究策略的;圆滑的;婉转的
Someone who is diplomatic is able to be careful to say or do things without offending people.
例句
She is very direct. I tend to be more diplomatic, I suppose.她人很直,我觉得我更婉转一些。