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1·During the fight with a rival gang he lashed out with his flick knife.

和对立帮派群殴时，他用弹簧刀猛烈攻击。《柯林斯英汉双解大词典》

2·The smartphone is already the Swiss Army knife of the digital age, replacing the need for alarm clocks, GPS units and even digital cameras with the flick of a finger.

智能手机已经是数字时代的瑞士军刀，它用手指轻轻一点，就代替了闹钟、全球定位系统，甚至数码相机。

3·Because his slumbering isn't that genuine, all favor apt take to flick approximately in the in front the knife!

因为他这个人睡觉不太老实，总是喜欢拿把刀在面前挥来挥去的！