英语短语to flag something up的意思是强调某事的重要性或把问题提出来让大家都知道。
- At the meeting Martin flagged up the issue of late payments. He said that we hadn't paid our suppliers for three months.
- There are a couple of points that I'd like to flag up today: one is the increasing number of customer complaints and the other is the problem with our computer system.
- I worked really hard from 7am until lunch, but after lunch I was really flagging!