1
a sum of money
sum 指金额，常与 of 连用。
He paid a large sum of money for the painting.
他为这幅画支付了一大笔钱。
总和；总数
sumy — plural of sum
先理解核心含义，再看它在真实句子里的用法。
总和；总数
A quantity obtained by adding numbers together; the total.
He paid a large sum of money for the painting.
他为这幅画支付了一大笔钱。
通过加法或聚合得到的量
A quantity obtained by addition or aggregation.
吉尔吉斯斯坦的基本货币单位
The basic unit of money in Kyrgyzstan.
一种行政区域,用于中国、蒙古和俄罗斯。在蒙古,苏木小于省；在中国,仅用于内蒙古,相当于乡
A type of administrative district used in China, Mongolia, and Russia. In Mongolia, a sum is smaller than a province. In China, it is only used in Inner Mongolia, where it is equivalent to a township.
一笔钱
a quantity of money
The sum of 15 and 30 is 45.
15 和 30 的和是 45。
AI contextual example
Add the two numbers and tell me the sum.
把这两个数加起来，告诉我总和。
AI contextual example
The sum of the interior angles of a triangle is 180 degrees.
三角形内角的总和是 180 度。
AI contextual example
he borrowed a large sum
他借了一大笔钱
WordNet
sum 指金额，常与 of 连用。
He paid a large sum of money for the painting.
他为这幅画支付了一大笔钱。
表示数字相加的总和。
The sum of 5 and 7 is 12.
5和7的和是12。
in sum 用于总结。
In sum, the project was a success.
总之，这个项目是成功的。
Not this
I need sum help.
Use this
I need some help.
Sum 和 some 发音相似，但 sum 是名词，表示总和，而 some 是限定词，表示一些。此处应为 some。
Not this
The sum for 2 and 3 is 5.
Use this
The sum of 2 and 3 is 5.
表示两个数相加的总和时，介词应使用 of 而非 for。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
一大笔钱
He inherited a large sum of money.
他继承了一大笔钱。
总和；总计
The sum total of her achievements is impressive.
她的成就总和令人印象深刻。
一笔钱
She withdrew a sum of money from the bank.
她从银行取了一笔钱。
总之；简而言之
In sum, the project was a success.
总之，这个项目是成功的。
……的总和
The sum of 2 and 3 is 5.
2和3的总和是5。
总之
In sum, the project was a success.
总之，这个项目是成功的。
要点，精髓
The sum and substance of his argument is that we need more funding.
他论点的精髓是我们需要更多资金。
……的总和
The sum of their experiences made them experts.
他们经验的总和使他们成为专家。
整体大于部分之和。
In a well-designed team, the whole is greater than the sum of its parts.
在一个设计良好的团队中，整体大于部分之和。
恐惧的总和
The film 'The Sum of All Fears' explores global terrorism.
电影《恐惧的总和》探讨了全球恐怖主义。
Use sumy naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
Sum（总和）音似'some'（一些），一些数相加就是总和。
作为名词，'sum' 可指总额（金钱）、总和（数字）或要点（精华）。使用中性语域，常见于学术、金融和日常讨论。
All listed words (some, gum, hum, drum, plum, thumb) rhyme with sum because they share the /ʌm/ ending. Beware of lookalikes like 'sun' (/sʌn/), which ends with /n/ and does not rhyme.
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.