He kept his finger on the trigger.
他的手指一直勾着扳机。
Despite the insistence of military officers that a human's finger will always remain on the trigger, the speed of combat is quickly becoming too fast for human decision makers.
尽管军官们坚持说人类的手指将永远停留在扳机上，但是对人类决策者来说，这样的战斗速度已经变得太快了。
In the 1960s John Kennedy fretted that without a test ban and other hurdles, eventually a score of countries could have their finger on a nuclear trigger.
在60年代，约翰·肯尼迪苦恼于没有试验禁令和其他障碍，最终一部分国家可以将他们的手指放在核按钮上。
Avoid accidental starting. You should never hold a finger on the switch button or trigger while carrying a plugged-in tool.
避免意外启动。移动已接通动力源的工具时，切勿将手指放在开关按钮或触发装置上。
Avoid accidental starting. You should never hold a finger on the switch button or trigger while carrying a plugged-in tool.
避免意外启动。移动已接通动力源的工具时，切勿将手指放在开关按钮或触发装置上。
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