void sth
宾语多为合同、协议、票据、判决等，属正式或法律语境。
The judge voided the contract because it had been signed under pressure.
法官以合同是在压力下签署的为由宣布其无效。
使无效；使作废；取消
voids — third person singular of void
清空；腾空；排出；排泄；释放；使无效或无价值；清空；抛出或排出；释放；排放
To make something invalid, worthless, or of no legal force; to nullify.
使无效或无价值
To make invalid or worthless.
清空
Synonym of empty (verb).
抛出或排出；释放；排放
To throw or send out; to evacuate; to emit; to discharge.
宣布无效
declare invalid
一般现在时
The judge voids any contract signed under duress.
法官宣布任何在胁迫下签署的合同无效。
一般过去时
She voided the check before throwing it away.
她把支票作废后扔掉了。
现在完成时
They have voided the warranty because of unauthorized repairs.
他们因未经授权的维修而宣布保修失效。
规则动词；过去式和过去分词均为 voided，现在分词为 voiding。
The court voided the contract because it was signed under pressure.
法院宣布这份合同无效，因为它是在压力下签署的。
用法提示：void 此处作及物动词，表示“使无效/宣告作废”。
AI contextual example
Please void the check if you make a mistake when filling it out.
如果你填写支票时出了错，请把这张支票作废。
用法提示：void 在这里是及物动词，意为“使作废、注销”。
AI contextual example
The company voids the warranty if you open the device yourself.
如果你自己打开设备，公司就会使保修失效。
用法提示：void 作动词，表示“使失效、使无效”。
AI contextual example
宾语多为合同、协议、票据、判决等，属正式或法律语境。
The judge voided the contract because it had been signed under pressure.
法官以合同是在压力下签署的为由宣布其无效。
被动结构中常用 by 引出使其无效的一方，多见于新闻和法律报道。
The election result was voided by the court.
选举结果被法院裁定无效。
此义项指清空或排出体内物质，宾语多为尿液、废物、液体等，常见于医学语境。
This drug helps the body void excess fluid.
这种药有助于身体排出多余的液体。
grammar · medium
易错句子The contract voided last month.
正确表达The contract was voided last month.
void 是及物动词，后面必须接宾语，表示“使（某物）无效”；合同不能自己“作废”，所以英文要用被动语态 was voided。汉语“合同作废了”没有被动标记，直译成主动句就错了。
grammar · medium
易错句子The company has void the agreement.
正确表达The company has voided the agreement.
have/has 后面要求用过去分词，void 的过去分词是规则形式 voided，不能保留原形。汉语动词没有形态变化，学习者容易漏掉 -ed。
grammar · medium
易错句子They announced a void of the agreement.
正确表达They voided the agreement.
“使无效、取消”这个意思在英语里由动词 void 承担；名词 void 指“空白、虚空”，不表示“作废”。汉语名词“作废”被直接搬成 a void，就选错了词性。
使合同无效
The court voided the contract after the fraud was discovered.
欺诈行为被发现后，法院判定该合同无效。
使保修失效
Opening the device voids the warranty.
打开设备会使保修失效。
使支票作废
She voided the check and issued a new one.
她把那张支票作废，重新开了一张。
宣布选举无效
The judges voided the election and called for a new vote.
法官宣布选举无效，并要求重新投票。
排空膀胱
Patients should void their bladders before the scan.
患者在扫描前应排空膀胱。
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