1
a flyer for sth
for 后接传单宣传的活动、产品或地点。
I picked up a flyer for the music festival.
我拿了一张音乐节的传单。
传单；广告传单
先理解核心含义，再看它在真实句子里的用法。
传单；广告传单
a printed advertisement intended for wide distribution
I picked up a flyer for the music festival.
我拿了一张音乐节的传单。
会飞的东西(如鸟或昆虫)
That which flies, as a bird or insect.
用于广泛分发的广告(通常印在一页或传单上)
an advertisement (usually printed on a page or in a leaflet) intended for wide distribution
飞行器；飞机
A machine that flies.
乘飞机旅行者
someone who travels by air
Handing out a flyer on the street is one way to advertise your new business.
在街上发传单是宣传新业务的一种方式。
She designed a colorful flyer for the community concert and posted it on every bulletin board.
她为社区音乐会设计了一张彩色传单，并把它贴在了每块公告板上。
We printed five hundred flyers to promote the opening of our shop.
我们印了五百张传单来宣传店铺开业。
for 后接传单宣传的活动、产品或地点。
I picked up a flyer for the music festival.
我拿了一张音乐节的传单。
advertising 是现在分词作后置定语，说明传单的内容；也可用 that advertises。
She handed me a flyer advertising a new café.
她递给我一张新咖啡馆的广告传单。
不定式 to promote 表示目的。
They designed a flyer to promote their new service.
他们设计了一张传单来推广他们的新服务。
Not this
He handed me flyer about the sale.
Use this
He handed me a flyer about the sale.
flyer 是可数名词，单数形式前需要冠词，而汉语没有冠词，所以容易漏掉 a。
Not this
They passed out many flyer on the street.
Use this
They passed out many flyers on the street.
flyer 是可数名词，用在 many 后必须用复数形式。汉语名词没有复数变化，所以容易漏加 -s。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
分发传单
Volunteers handed out flyers to everyone entering the mall.
志愿者向进入商场的每个人分发传单。
促销传单
She designed a promotional flyer for the new café.
她为新咖啡馆设计了一张促销传单。
传单宣传活动
The local store launched a flyer campaign to attract more customers.
这家本地商店发起了传单宣传活动以吸引更多顾客。
印刷传单
We need to print flyers for the charity event.
我们需要为慈善活动印刷传单。
设计传单
He was asked to design a flyer for the upcoming concert.
他被要求为即将到来的音乐会设计传单。
冒险尝试；承担风险
We decided to take a flyer on the new restaurant even though the reviews were mixed.
尽管评论褒贬不一，我们还是决定冒险试试那家新餐厅。
志向远大且成功的人；出类拔萃者
Sarah is a real high flyer—she became a manager in less than three years.
萨拉真是个出类拔萃的人——不到三年就当上了经理。
常飞旅客；（幽默）某处的常客
He's a frequent flyer at the local coffee shop, so they know his order by heart.
他是这家本地咖啡馆的常客，所以他们把他的点单都记住了。
Use flyer naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想：传单折成纸飞机飞到你手里，所以 flyer 就是传单。
语域：neutral 常见场景：street promotion、event advertising 传单多用于街头宣传或活动推广，属于中性偏日常的说法；正式书面语中也可以接受，但更常用“leaflet”。
与 flyer 真正押韵的有 buyer、liar、dryer、pliers（重读元音都是 /aɪ/，后面接 /ɚ/；pliers 的复数词尾是 /z/）。注意 flower (/ˈflaʊ.ɚ/) 和 layer (/ˈleɪ.ɚ/) 拼写相似，但发音不同。
Dictionary facts from ECDICT, WIKTIONARY.