The stark truth is that there is not enough money left.

明摆着的事实是剩下的钱已经不够了。

《牛津词典》

The reality is that there is not enough money to pay for this project.

实际情况是没有足够的钱花在这个项目上。

《牛津词典》

Maybe the time is not enough.

也许时间不够。

youdao

But professors at big schools say there is not enough time to write evaluations for each student in large classes.

VOA: special.2009.03.05

Yes. In fact, there is not enough energy in a single photon to go ahead and eject an electron from this zinc surface.

是的，事实上，这里的光子没有足够的能量,去从锌表面逐出一个电子。

麻省理工公开课 - 化学原理课程节选

The answer is that simply knowing the particle has an acceleration is not enough to tell you where the particle will be.

答案是这样的,仅仅知道质点的加速度,是不足以告诉你它接下来的运动的

耶鲁公开课 - 基础物理课程节选

Tony feels there is not enough done to help people like him who employ local people.

BBC: People's Assembly 2011

For now, the center is surviving on small private donations, but it is not enough.

CNN: Afghan girl begs for bread, prays for help

"It is not enough simply to avoid being found guilty of a crime, " the policy says.

WSJ: Jets' New Running Back Is Arrested