毫不犹豫地；立刻
At the Drop of a Hat is a musical revue by Flanders and Swann, described by them as "an after-dinner farrago"."Mr Michael Flanders", The Times, 16 April 1975, p.
立即
India is one part of the world I would go to at the drop of a hat.
印度是世界上我即刻就想去的一个地方。
The company can't expect me to move my home and family at the drop of a hat.
公司不可能指望我立即搬家。
I love to travel, I'm ready to go at the drop of a hat.
我喜欢旅游，我准备马上就去。
Yet,when it comes to my own money, I spend it at the drop of a hat - immediately,without waiting.
VOA : special.2010.05.02
But with lawsuits filed at the drop of a hat, search services should take note.
"The great coaches out there are not available at the drop of a hat, " Humphreys said.
He could gather all the tools necessary to carry out another terrorist attack at the drop of a hat.