他在外交部担任外交官，负责处理两国间的敏感事务。

He works as a ___diplomatic officer at the Foreign Ministry, handling sensitive matters between two countries.

她在拒绝邀请时表现得非常得体，没有伤害任何人的感情。

She was very ___diplomatic when declining the invitation, not hurting anyone's feelings.

在处理客户投诉时，他采取了非常圆滑的方式。

He handled the customer complaint in a very ___diplomatic manner.