flag
noun [ C ] uk/flæɡ/ us/flæɡ/
(SYMBOL)
B1 旗，旗帜
a piece of cloth, usually rectangular and attached to a pole at one edge, that has a pattern that shows it represents a country or a group, or has a particular meaning
Flags of all the participating countries are flying outside the stadium. 所有参赛国家的国旗都飘扬在体育场外。
Flags were flapping/fluttering in the breeze. 旗子在和风中飘扬。
The guard waved his flag and the train pulled away from the station. 护卫挥旗示意，火车从车站驶离。
- More examples
- It's a crime to desecrate the country's flag.
- You're not allowed to swim when the red flag is flying.
- The palace flags were all flying at half-mast.
- There were flags on the tops of many of the buildings.
- A flag fluttered from a 40-foot pole.
(STONE)
UK（同 flagstone）
a flagstone
(PLANT)
菖蒲（一种大型鸢尾花）
a flower that is a type of large iris
Idioms
keep the flag flyingidiom mainly UK 代表国家（或组织）行动（或发言）
to act or speak for the country or group that a flag represents
put the flags out!idiom UK humorous 悬旗致敬！（表示对发生的事感到惊讶和高兴）
something that you say when you are pleased and surprised that something has happened
Josh has cleaned the bathroom - put the flags out! 乔希清理了浴室——向他悬旗致敬！
wave/show/fly the flagidiom UK （对自己的国家、团体或组织）表示拥护，摇旗呐喊
to show support for the country, group, or organization that you belong to
flag
verb uk/flæɡ/ us/flæɡ/ -gg-
(MARK)
[ T ]给…做标记
to put a mark on something so it can be found easily among other similar things
Flag any files that might be useful later. 给日后可能有用的文件做上标记。
[ T ] computing specialized标记（计算机里某些信息，以便之后处理）
to mark computer information with one of two possible values so that you can deal with it later
We'll flag the records of interest in the database and then we can give you a print-out. 我们会在数据库中把值得关注的纪录标记出来，之后打印一份给你。
(BECOME TIRED)
[ I ]变得疲倦;兴趣衰减
to become tired, weaker, or less effective
I was starting to flag after the ninth mile. 走了9英里后，我开始感到疲倦了。
The conversation was flagging. 谈话越来越乏味了。
Phrasal verb
flag something/someone down 挥手示意停车
to cause a vehicle to stop by waving at its driver
I managed to flag down a passing police car. 我挥手示意，设法拦下了一辆路过的警车。