失效

shī xiào

HSK 7–9

Meaning

失去效力或效果；不再有效。

To lose effectiveness or validity; no longer effective.

常用于描述法律文件、证书、合同、药物、密码等不再有效或无法使用的情况。

Commonly used to describe situations where legal documents, certificates, contracts, medications, passwords, etc., are no longer valid or usable.

1 护照过期后就会失效。(A passport becomes invalid after expiration.)
2 这种药物在高温下会失效。(This medication loses its effectiveness under high temperatures.)
3 合同到期后自动失效。(The contract automatically becomes void upon expiration.)
4 密码多次错误会导致账户失效。(Multiple incorrect passwords will cause the account to be disabled.)
5 你的优惠券已经失效了。(Your coupon has expired and is no longer valid.)
6 机器长期不用，功能容易失效。(If the machine is not used for a long time, its functions are prone to fail.)

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