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raise [a/the] flag
They raised the flag every morning.
他们每天早上升旗。
旗；旗帜
先理解核心含义，再看它在真实句子里的用法。
旗；旗帜
a rectangular piece of cloth with a distinctive design, used as a symbol of a country, organization, etc.
They raised the flag every morning.
他们每天早上升旗。
通常为矩形布料、具有独特设计的标志
emblem usually consisting of a rectangular piece of cloth of distinctive design
报纸或杂志每期刊登的出版信息及编辑人员名单(通常在社论页)
a listing printed in all issues of a newspaper or magazine (usually on the editorial page) that gives the name of the publication and the names of the editorial staff, etc.
叶似剑形、花茎直立、花朵色彩鲜艳、由三瓣花瓣和三瓣下垂花萼组成的植物
plants with sword-shaped leaves and erect stalks bearing bright-colored flowers composed of three petals and three drooping sepals
The national flag was flying above the school.
国旗在学校上空飘扬。
They hung a flag on the balcony for the holiday.
他们在阳台上挂了一面旗帜庆祝节日。
The flag has red and white stripes.
这面旗帜有红白条纹。
They raised the flag every morning.
他们每天早上升旗。
The flag of China is red.
中国的国旗是红色的。
The ship sailed under a white flag.
这艘船挂白旗航行。
Not this
We should put up flag.
Use this
We should put up a flag.
可数名词 flag 前需要冠词，汉语无冠词习惯导致遗漏。
Not this
The national banner is flying.
Use this
The national flag is flying.
汉语“旗帜”泛指，英语 flag 特指代表国家或组织的旗帜，banner 通常指横幅。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
国旗
The national flag flies proudly over the building.
国旗在大楼上自豪地飘扬。
白旗（投降标志）
The enemy waved a white flag to surrender.
敌人挥舞白旗投降。
旗手
She was chosen as the flag bearer for the Olympic team.
她被选为奥运代表队的旗手。
升旗
Every morning they raise the flag at school.
每天早上他们在学校升旗。
挥舞旗帜
Fans waved flags to show their support.
粉丝们挥舞旗帜以示支持。
方便旗
Many ships sail under a flag of convenience to avoid taxes.
许多船只挂方便旗以避税。
警示信号；危险信号
His sudden change in behavior was a red flag for the team.
他突然的行为变化对团队来说是一个警示信号。
白旗；投降；认输
After hours of negotiation, they finally raised the white flag.
经过数小时的谈判，他们终于举起了白旗。
代表国家或团体；支持；维护
The company is determined to fly the flag for British engineering.
这家公司决心为英国工程业争光。
我宣誓效忠美利坚合众国的国旗。
The flag was raised at dawn.
黎明时升起了旗帜。
硫磺岛升旗是最著名的战争照片之一。
The soldier carried the flag.
士兵扛着旗子。
Use flag naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象一面旗帜（flag）在空中飘扬，'fl'像'风里'，旗帜在风里摇曳。
Register: neutral. Typical settings: political rallies, sporting events, military. Note_zh: 作为名词时，通常用于表示旗帜或标志，在政治、体育等场合常见。
All listed words share the '-ag' ending and rhyme with /æɡ/. Be aware that 'flag' spelled -ag but there are no common lookalikes that sound different.
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WORDNET.