What does 失效 mean?
失效
to become invalid; to expire; to stop working
Its characters
- 失 to lose
- 效 effect
In a sentence
这张优惠券已经失效了。 This coupon has already expired.
More words with 失 or 效
Keep 失效 for Review
A free account keeps it, and Review brings it back just before you’d forget it.
Look up another word
See any word in its sentence
Get a card like this for every word on any page or YouTube subtitle.