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слякотный
失效

invalidate [ınˈvælıdeıt] VB trans

invalidate
使无效 shǐ wúxiào
invalidate
使作废 shǐ zuòfèi
Present
Iinvalidate
youinvalidate
he/she/itinvalidates
weinvalidate
youinvalidate
theyinvalidate
Past
Iinvalidated
youinvalidated
he/she/itinvalidated
weinvalidated
youinvalidated
theyinvalidated
Present Perfect
Ihaveinvalidated
youhaveinvalidated
he/she/ithasinvalidated
wehaveinvalidated
youhaveinvalidated
theyhaveinvalidated
Past Perfect
Ihadinvalidated
youhadinvalidated
he/she/ithadinvalidated
wehadinvalidated
youhadinvalidated
theyhadinvalidated
See further verb tables

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Monolingual examples (not verified by PONS Editors)

In her turn, she invalidated her brother's arguments in a public reply.
en.wikipedia.org
Invalidated interracial marriages if the parties went to another legal power where such marriages were legal.
en.wikipedia.org
Critics pointed out this invalidated the results as she could have simply written her own record to agree with the other.
en.wikipedia.org
Some city ordinances do not permit concealed carry without a license, but these have been invalidated by the recent state preemption statute.
en.wikipedia.org
This can work even retrospectively: as a stolen credit card can easily be invalidated with a phone call to the issuing bank, the motivation to steal one is reduced.
en.wikipedia.org

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