单词Sunday punch
na.: 〈美〉【拳】猛击；(对付敌手的)强有力手段
网络: 致命一击
〔美拳〕猛击;〔转义〕(对付敌手的)强有力手段
The champ knocked out his opponent with a Sunday punch.
冠军用他的杀手锏击败了对手。
Some senators feel that if air power is to be the main threat, we are not spending enough on aircraft to give us the "Sunday punch" needed.
有些参议员认为，尽管我们的空军力量可对敌人造成主要威胁，但我们却没有在飞机方面投入足够的财力来获取这一所需的“杀手锏”。
his opponent in the second round with a Sunday punch.
在第二个回合中，这位冠军用最有力的一击打倒了对手。
CI System for Brand Management-Sunday Punch of Telecom Winner in Future
品牌竞争情报系统未来电信赢家的杀手锏