without a second thought

基本解释

These little soldiers make this sacrifice without a second thought, as they are driven by instinct alone.
这些小尖兵毫不犹豫做出这样的牺牲，只因本能驱使它们勇往直前。
After a while I got up and looked at my speech notes with their numbers and statistics. Without a second thought, I tore them up and threw them away.
过了一会，我起床看了看我的演讲笔记和统计数据，毫不犹豫的把它们撕碎，然后扔了。
To me, the fact that you are worrying about it makes you morally superior to all the managers who routinely run down their underlings without a second thought.
在我看来，你对此感到担心的事实，就证明你的道德水平高于所有那些通常不假思索就会贬低下属的经理。

When the Spaniard had asked for the number, the Frenchman had given it to him without a second thought.
NEWYORKER: Álvaro Rousselot’s Journey
Those ancient New Yorkers and the Dutch and English who followed plundered the area's oyster supply without a second thought.
ECONOMIST: A dozen ocean-cleaners and a pint of Guinness, please
These proposals, all so far stymied by Republican opposition, are intended to show that Republicans, when forced to choose between the interests of the middle class and those of the rich, will abandon the struggling mass of Americans without a second thought.
ECONOMIST: Barack Obama offers America a new square deal