1
a stumblebum
可数名词，前加不定冠词。
He was just a stumblebum in the ring.
他在拳击场上只是个二流拳手。
二流职业拳击手
先理解核心含义，再看它在真实句子里的用法。
二流职业拳击手
a second-rate prize fighter
He was just a stumblebum in the ring.
他在拳击场上只是个二流拳手。
笨拙的人；笨手笨脚的人。
A blundering or awkward person.
笨拙的职业拳击手
An inept prizefighter.
The young stumblebum lost his first three fights by knockout.
这个年轻的二流职业拳击手前三次比赛都被击倒而输掉。
Even as a stumblebum, he hoped to train hard and become a champion.
即使只是个二流职业拳击手，他也希望努力训练，成为冠军。
The local gym was full of stumblebums who would fight anyone for fifty dollars.
当地健身房满是二流职业拳击手，为了五十美元他们愿意跟任何人打。
可数名词，前加不定冠词。
He was just a stumblebum in the ring.
他在拳击场上只是个二流拳手。
形容词可修饰，如 old stumblebum 指街头流浪汉。
The old stumblebum wandered the streets.
那个老流浪汉在街上游荡。
用于贬义称呼。
Don't call him a stumblebum just because he's clumsy.
别因为他笨手笨脚就叫他笨蛋。
比喻笨拙的举止。
She acted like a stumblebum and dropped everything.
她动作笨拙，什么都拿不稳。
Not this
He is very stumblebum.
Use this
He is a stumblebum.
'stumblebum' 是名词，不能受程度副词 'very' 修饰。正确用法是直接作主语补足语（表语），前面需要不定冠词 'a'。
Not this
He stumblebummed in the ring.
Use this
He was a stumblebum in the ring.
'stumblebum' 是名词，不能加 '-ed' 当作动词用。正确用法是作为名词与系动词 'was' 构成谓语，并加不定冠词 'a'。
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Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
Use stumblebum naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.