Let's start working at once.; Act without delay.

说干就干。

《新英汉大辞典》

Since life is a long journey with no turning-back, when we start off, we must be aware of what we truly want, and what means most to us, and what we must handle without delay.

既然人生是一趟没有回头的旅程，在开始上路时，我们一定要清楚什么是自己真正想要的，什么对于自己是最重要的，有哪些事情是当下一定要做的。

youdao

Mr. Silver can ensure that it gets off to a responsible start by seeing that the Assembly passes congestion pricing without further delay.

西尔维先生可以让这个时代有个负责任的开端，那就是保证议会能不加拖延地通过交通拥挤费法案。

youdao

He says he hopes the Palestinian leaders will change their minds and start talks without delay.

VOA: standard.2009.11.01

FirstGroup has said it wants to proceed "without delay or disruption" and would continue to prepare to start running the franchise on 9 December this year.

BBC: West Coast Main Line First Group deal put on hold