Definition
- B1
to deplete, exhaust, or completely sell all of something, resulting in no remainder.
全部用光；耗光；卖完
We have run out of milk at home, so we need to buy more.
我们家里的牛奶已经用完了，所以我们需要再买一些。
The item has run out in the store and is no longer available for purchase.
商店里的这个商品已经卖完了，无法再购买。
During our trip, we ran out of water completely and could only hope to find a source.
在我们的旅途中，我们的水完全用光了，只能希望找到水源。
- B2
When a resource is depleted entirely, leaving none available.
资源完全耗尽；被用光
These resources have run out, and we need to look for alternatives.
这些资源已经耗尽，我们需要寻找替代方案。
After prolonged use, the battery has finally run out.
经过长时间使用，电池终于耗尽了。
After several months of usage, this material has run out entirely.
经过几个月的使用，这种材料已经完全耗尽。
When a document or formal agreement's valid period comes to an end.
（文件或协议）期限届满
The contract has run out, and we need to renew it.
合同已经到期，我们需要续约。
The validity of this agreement will run out before the weekend.
这份协议的有效期将在本周末前到期。
If we don't act promptly, our temporary authorization will run out by the end of the month.
如果我们不立即采取行动，我们的临时授权将在本月底到期。
Indicates that the remaining time to complete an objective is minimal.
时间紧迫；时间不多了
We are running out of time to complete this task and need to speed up.
我们完成这项任务的时间越来越少，需要加快速度。
If we don’t hurry, we will run out of time and miss the deadline.
如果我们不赶快，就会没有时间，错过截止日期。
As the meeting progressed, we realized we were running out of time to cover all the topics.
随着会议的进行，我们意识到我们没有足够的时间来涵盖所有主题。