Definition
To not have sufficient time available to complete something.
时间不够用
We ran out of time during the presentation, so we had to rush through it.
我们在演示时没有时间了，所以不得不匆匆带过。
They ran out of time, and thus they could not complete the whole project.
他们没有时间了，因此无法完成整个项目。
I was going to finish my reading report during the break, but I ran out of time.
我原本打算在休息期间完成阅读报告，但我没有时间了。