1
obviate sth
常用于正式或技术语境。
The new software obviates the manual checking.
新软件消除了人工检查的必要。
使…成为不必要；省去；免除
先理解核心含义，再看它在真实句子里的用法。
使…成为不必要；省去；免除
to make something no longer necessary
The new software obviates the manual checking.
新软件消除了人工检查的必要。
预见并防止或绕过(否则将是必要或需要的事情)；使(某事)变得不必要。
To anticipate and prevent or bypass (something which would otherwise have been necessary or required); to render (something) unnecessary.
避免(未来的问题或困难情况)。
To avoid (a future problem or difficult situation).
obviate
Base
原形
obviates
3rd person
第三人称单数
obviating
-ing
现在分词
obviated
Past
过去式
obviated
Past participle
过去分词
This technology obviates the need for manual checks.
这项技术消除了手动检查的需要。
The new policy obviated the previous difficulties.
新政策消除了之前的困难。
The improvements have obviated the risk of failure.
改进措施已经消除了失败的风险。
规则动词，加-ed构成过去式和过去分词，加-s构成第三人称单数，加-ing构成现在分词。
Using a modern payment system obviates the need for cash.
使用现代支付系统消除了对现金的需求。
The new safety features obviated the risk of accidents.
新的安全功能消除了事故风险。
By installing solar panels, they are obviating the need for expensive electricity.
通过安装太阳能电池板，他们正在避免昂贵电力的需求。
常用于正式或技术语境。
The new software obviates the manual checking.
新软件消除了人工检查的必要。
最常用结构。
This agreement obviates the need for further negotiations.
这项协议使得进一步谈判变得不必要。
后接动名词，不如前两种常见。
Proper planning obviates having to rush at the last minute.
周密的计划避免了最后一刻匆忙行事。
Not this
The problem is obviate.
Use this
The problem is obviated.
错误将 'obviate' 用作形容词，实际上它是动词，应使用过去分词形式 'obviated' 表示被动含义。
Not this
We obviated to go.
Use this
We obviated the need to go.
错误将 'obviate' 直接后接不定式，正确搭配是 'obviate the need to do something'，意为“使做某事成为不必要”。
Not this
He obviated the accident by braking.
Use this
He avoided the accident by braking.
混淆了 'obviate' 与 'avoid'：'obviate' 是消除原因或前提，而 'avoid' 是避开事件本身，此处应使用 'avoided'。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
使…成为不必要；省去…的必要
Modern technology obviates the need for many manual tasks.
现代技术使许多手工操作成为不必要。
免除…的必要性
The new system obviates the necessity of filing paper forms.
新系统免除了提交纸质表格的必要。
避免风险
Careful planning can obviate the risk of costly mistakes.
周密的计划可以避免代价高昂的失误风险。
消除问题；避免问题
A brief meeting would obviate the problem of miscommunication.
开个简短的会议就能消除沟通不畅的问题。
排除困难
Preparing in advance obviates many difficulties.
提前准备可以排除许多困难。
Use obviate naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记 obviate：谐音‘喔，不必了’——提前把问题解决，让它变得没必要。
语域：formal 常见场景：正式写作、学术或法律文本 obviate 通常用于正式语境，多出现在学术、法律或书面表达中；日常口语里更常使用 avoid 或 make unnecessary。
注意：obviate 重音在第一个音节，读作 /ˈɒbvi.eɪt/。上面这些词都以 -iate 结尾，但读音并不完全相同：deviate、alleviate、abbreviate 的结尾都是 /vi.eɪt/，与 obviate 的结尾相同，但因重音元音不同，它们并不真正押韵，仅适合拼写对照；appropriate 作形容词时结尾 -ate 发 /ət/，不是 /eɪt/，不要被拼写误导。
Dictionary facts from ECDICT, WIKTIONARY.