n.铁燧岩
He's shown considerable delicacy and tact in feeling the public mood.
他在体察民情方面表现得相当周到和练达。
Tact was never Mr Moore's strength.
摩尔先生处事不够圆通。
Settling the dispute required great tact and diplomacy.
解决这个争端需要十分老练和娴熟的外交手腕。