美国常用英语俚语:Jump the gun

 【句子对照】

Hey, don't jump the gun. Listen to what he has to say before you make a decision. 

嗨，不要操之过急，在做决定之前听听他怎么说。

【关键俚语】

jump the gun

英：To act too soon, before the proper time; to act on an impulse¹, without thinking carefully. 

中：抢跑，行动过早

1 impulse   

n.（一时的）冲动，冲力，脉冲，神经冲动

参考例句：

• She wrote that letter on impulse.她一时冲动写了这封信。
• I don't know how to resist my impulse.我不知道怎样抑制自己的感情冲动。