英文: Silence is not always tact, and it is tact.
中文: 沉默不总是机智,但是确是机智。英文: He's short on tact.
中文: 他处事不够圆通.英文: What does tact consist of?
中文: 外在要有怎样的技巧呢?英文: A diplomat must have tact.
中文: 外交官要有机智。英文: An ambassador must have great tact.
中文: 一位大使需要有很大的圆滑。