jump the gun 意为抢跑，过早行动，抢先行动

【例句】
They only met three weeks ago. Isn’t it jumping the gun to start talking about marriage?
他们三个星期前才认识。开始谈论婚姻不会太早了吗？

I shall return to this point later in my lecture. Example: Don't jump the gun. We have to be patient for a while.
等一会儿在讲演中，我再讨论这一点。不要过早行动。我们应该耐心等一会儿。