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- 无效
无效
wú xiào
Meaning
- not valid
- ineffective
Definition
无效指没有效力，没有效果。
Invalid, ineffective, null and void.
Usage
常用于表示法律文件、合同、行为、结果等没有法律约束力或实际效果，也可以指尝试或努力没有达到预期目标。
Commonly used to indicate that legal documents, contracts, actions, results, etc., have no legal binding or actual effect, or that attempts or efforts have not achieved the expected goal.
Examples
- 1 这份合同因缺少签字而无效。 (This contract is invalid due to missing signatures.)
- 2 他的抗议是无效的，因为已经过了期限。 (His protest is invalid because the deadline has passed.)
- 3 密码输入错误三次，验证码将无效。 (After three incorrect password attempts, the verification code will become invalid.)
- 4 在法庭上，非法获得的证据被视为无效。 (In court, illegally obtained evidence is considered invalid.)
- 5 我们尝试了所有方法，但最终证明无效。 (We tried all methods, but they ultimately proved ineffective.)
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