失效 (shī xiào) — to lose effectiveness; to become invalid (of documents, medicine, contracts, etc.)
Definition
Means something (a contract, card, drug, policy) has stopped working or counting as valid. Contrast with 生效 ('to take effect'), its opposite, and 无效 ('invalid' as a status, not the process of ceasing).
verb
to lose effectivenessto become invalid (of documents, medicine, contracts, etc.)
Examples
- 失效。Zhè zhāng yín háng kǎ yǐ jīng shī xiào le.This bank card is already invalid.
- 失效。Zhè zhǒng yào zài yáng guāng xià róng yì shī xiào.This medicine easily loses effectiveness in sunlight.
- 失效。Hé tong shī xiào hòu xū yào chóng xīn qiān dìng.After the contract becomes invalid, it needs to be re-signed.
Appears in
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