1
a downpour
downpour 是可数名词，通常与不定冠词连用。
We got caught in a downpour on our way home.
我们在回家的路上遇上了倾盆大雨。
暴雨；倾盆大雨
先理解核心含义，再看它在真实句子里的用法。
暴雨；倾盆大雨
a heavy fall of rain
We got caught in a downpour on our way home.
我们在回家的路上遇上了倾盆大雨。
倾盆大雨
A heavy fall of rain.
大雨
a heavy rain
We got caught in a sudden downpour while hiking and were soaked within minutes.
我们远足时遭遇了一场突如其来的倾盆大雨，几分钟内就浑身湿透了。
The downpour flooded the streets, causing traffic jams across the city.
这场倾盆大雨淹没了街道，导致全城交通堵塞。
After the downpour, the air felt cool and fresh, and the plants looked vibrant.
倾盆大雨过后，空气清凉新鲜，植物显得生机勃勃。
downpour 是可数名词，通常与不定冠词连用。
We got caught in a downpour on our way home.
我们在回家的路上遇上了倾盆大雨。
常用 heavy, torrential 等形容词修饰。
The forecast warns of heavy downpours this afternoon.
天气预报警告今天下午有强降雨。
in a downpour 表示在暴雨中，常与动词 caught, stood 等连用。
He stood in the downpour without an umbrella.
他站在倾盆大雨中，没有打伞。
of rain 可省略，但加上后更强调降雨。
A sudden downpour of rain soaked the crowd.
突然一阵倾盆大雨淋湿了人群。
Not this
It is downpour right now.
Use this
It is pouring down right now.
Downpour 是名词，不能用作动词。表达“下倾盆大雨”应使用动词短语 pour down。
Not this
There was a heavy downpour of rain.
Use this
There was a downpour.
Downpour 本身就表示倾盆大雨，加上 heavy 和 of rain 属于冗余，应避免重复修饰。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
瓢泼大雨
The torrential downpour turned the roads into rivers.
瓢泼大雨让道路变成了一条条河流。
骤雨
A sudden downpour soaked the parade.
一场骤雨淋湿了游行的队伍。
短时大雨
A brief downpour passed over the city.
一阵短时大雨掠过了这座城市。
整夜暴雨
The overnight downpour caused flooding in several streets.
整夜暴雨导致几条街道被淹。
碰上大雨
We got caught in a downpour and had to shelter under a tree.
我们碰上了大雨，只好在一棵树下躲雨。
Use downpour naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象大雨从天上“向下（down）倾倒（pour）”，水哗哗往下泼，就是倾盆大雨。
语域：neutral 常见场景：天气预报、日常对话、新闻报道 该词为普通中性用词，书面和口语中都常见，通常无需特别区分正式程度。
The first syllable 'down' in 'downpour' rhymes with 'brown', 'town', and 'crown' (/aʊn/). The ending '-pour' is pronounced exactly like the verb 'pour' /pɔːr/. Beware lookalikes 'sour' and 'hour': they end in -our but are pronounced /ˈsaʊər/ and /ˈaʊər/, so they do not rhyme with 'pour'.
Dictionary facts from ECDICT, WIKTIONARY.