无效翻译

英语翻译：

be of no effect; invalidity; impotence; inefficacy; nullification; nullity
【计】 IDL; ineffectiveness
【医】 inefficacy
【经】 inefficiency; null and void

相关词条：

1.benullandvoid  2.beofnoeffect  3.invalidity  4.invalidation  5.nihility  6.ofnoforce  7.ofnoavail  8.nullity  9.nullify  10.nullification  11.cutnoice  12.irritancy  13.invalidate  14.void  15.innoforce  16.ineffectualness  

例句：

此合同无效。This contract is null and void.他不根据前提推理因而论证无效。This non sequitur invalidates his argument.他的所有权是无效的。His claim to ownership is invalid.护照过期是无效的。A passport that is out of date is invalid.我试图说服他，但无效。I sought to persuade him, but in vain.这张支票已经盖章无效了。The check was marked void.他父亲的一切劝告都无效。All his father's exhortations were in vain.这药无效。This medicine is of no avail.

分词翻译：

无的英语翻译：

naught; nonexistence; not; nothing; without; lack; zero
【医】 a-; leipo-; lipo-; non-

效的英语翻译：

effect; imitate; render