ADJ
無效的;作廢的
If an action, procedure, or document is invalid, it cannot be accepted, because it breaks the law or some official rule.
例句
The trial was stopped and the results declared invalid...
審判被中止,判決結果被宣布無效。
We cannot accept liability if you are refused entry because of invalid documents.
如果你因證件無效被拒入內,我們不承擔責任。