1
add up + 宾语
宾语可以是数字或项目。
I need to add up all the expenses.
我需要合计所有开支。
合计
先理解核心含义，再看它在真实句子里的用法。
合计
to calculate the total of something
I need to add up all the expenses.
我需要合计所有开支。
常用于数字或花费
Prepare the learner guide for this word
可生成：动词变形 Verb forms。只有点击后才会开始生成。
求总和；合计。
To take the sum of; to total.
积累；总计
To accumulate; to amount to.
有意义；合理或一致
To make sense; to be reasonable or consistent.
Please add up the numbers on this list.
请把这张单子上的数字加起来。
The small expenses add up to a large amount over time.
随着时间的推移，这些小额开支合起来成了一笔大数目。
We need to add up all the costs before making a decision.
在做出决定之前，我们需要合计所有费用。
宾语可以是数字或项目。
I need to add up all the expenses.
我需要合计所有开支。
add up可分开使用，宾语置于中间。
Can you add these numbers up?
你能把这些数字加起来吗？
The costs add up to $500.
成本合计为500美元。
Not this
Add up the eggs to the flour.
Use this
Add the eggs to the flour.
用 'add up' 表示'加起来'时，它是不及物短语动词或带宾语但表示计算总和，不能表示'加入'某物。此处应使用及物动词 'add' 直接接宾语和介词 'to'。
Not this
I can't add up his strange behavior.
Use this
His strange behavior doesn't add up.
'add up' 表示'合乎情理'时是不及物短语动词，不能接宾语。应使用 'doesn't add up' 来描述行为不合理。
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Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
Use add up naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
通常用于否定句或疑问句，表示‘合乎情理’或‘加起来’
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.