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be the underdog
be 动词可与过去时、完成时等连用；指代一个群体时常用复数 underdogs。
They were the underdogs throughout the tournament.
在整个锦标赛中，他们都是不被看好的一方。
弱者；不被看好的一方
先理解核心含义，再看它在真实句子里的用法。
弱者；不被看好的一方
underdog
They were the underdogs throughout the tournament.
在整个锦标赛中，他们都是不被看好的一方。
被认为不太可能获胜的竞争者。
A competitor thought unlikely to win.
处于劣势的人。
Somebody at a disadvantage.
一种高荡秋千动作,推秋千的人在秋千向前摆动到极限时从秋千下方跑过。
A high swing wherein the person pushing the swing runs beneath the swing while the person being pushed is at the forward limit of the arc.
Everyone loves an underdog in a sports competition.
在体育比赛中，大家都喜欢处于劣势的一方。
The small team was the underdog, but they won the final match.
那支小队伍是不被看好的一方，但他们赢了决赛。
In many stories, the underdog overcomes all difficulties in the end.
在许多故事中，弱者最终克服一切困难。
be 动词可与过去时、完成时等连用；指代一个群体时常用复数 underdogs。
They were the underdogs throughout the tournament.
在整个锦标赛中，他们都是不被看好的一方。
root for 意为“为……加油、支持”，整个短语表示支持处于劣势的一方。
Everyone loves to root for the underdog.
人人都喜欢为弱者加油。
underdog 可作定语修饰名词，表示“弱者逆袭的”或“不被看好的”。
The film is a classic underdog story.
这部电影是一个经典的弱者逆袭故事。
Not this
He is underdog in this match.
Use this
He is the underdog in this match.
underdog 是可数名词，单数形式前必须有冠词，中文没有冠词所以容易漏掉 the。
Not this
This team is more underdog than the champion.
Use this
This team is more of an underdog than the champion.
underdog 是名词，不能像形容词一样用 more 修饰，要说 more of a/an + 名词 表示“更像一个……”。
Not this
They are underdog in the competition.
Use this
They are underdogs in the competition.
underdog 的复数是 underdogs，主语是 they 时表语名词也要用复数，不能漏掉 -s。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
支持弱者；为不被看好的一方加油
I always root for the underdog in sports matches.
在体育比赛中，我总是支持弱者。
弱者逆袭的故事；黑马故事
The movie is a classic underdog story about a small team beating the champions.
这部电影是一个经典的弱者逆袭故事，讲述一支小球队击败冠军队。
不被看好的队伍；弱旅
The underdog team surprised everyone by reaching the finals.
这支不被看好的队伍出乎所有人意料地进入了决赛。
劣势地位；不被看好的处境
They embraced their underdog status and played without pressure.
他们接受了自己不被看好的处境，毫无压力地比赛。
处于劣势的候选人
The underdog candidate gained support through social media.
这位处于劣势的候选人通过社交媒体获得了支持。
勇敢的弱者；顽强的不被看好者
The plucky underdog refused to give up until the final whistle.
这个勇敢的弱者直到终场哨声响起才肯放弃。
支持弱者；为败者加油
Everyone loves to root for the underdog in the finals.
人人都爱在决赛中为弱者加油。
弱者逆袭的故事；黑马故事
The film is a classic underdog story about a small-town team.
这部电影是一个经典的黑马故事，讲的是小镇球队的故事。
扮演弱者；以弱者姿态出现
The candidate tried to play the underdog to gain sympathy.
这位候选人试图扮演弱者来博取同情。
别怕，超狗在此！
The catchphrase is from the classic American cartoon about a heroic dog, but an underdog usually means the person or team expected to lose.
这句口号出自美国经典卡通，讲一只英雄狗；但 underdog 通常指被认为会输的人或队伍。
我天生就是那个不被看好的人。
This line is from Imagine Dragons' popular song 'Whatever It Takes,' where the singer proudly calls himself the underdog.
这句歌词出自 Imagine Dragons 的流行歌曲《Whatever It Takes》，歌手自豪地称自己为不被看好的人。
Use underdog naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
under=在下面，dog=狗；想象打架时被压在下方的狗，处于劣势，所以underdog就是不被看好的弱者。
语域：neutral 常见场景：sports competitions、elections、business competition 该词属于中性常用词，多用于体育比赛、选举或企业竞争等场合，正式与非正式语境中都比较常见。
这些词都以 -og 结尾，在英式发音中与 underdog 末尾 /dɒɡ/ 押韵。注意：拼写以 under- 开头的词如 underdone /ˌʌndəˈdʌn/、understand /ˌʌndəˈstænd/、undergo /ˌʌndəˈɡəʊ/ 看起来相似，但重音和元音不同，并不押韵。
Dictionary facts from ECDICT, WIKTIONARY.