invalid

US /ɪnˈvæl.ɪd/
UK /ɪnˈvæl.ɪd/
"invalid" picture
1.

病人, 残疾人

a person made weak or disabled by illness or injury

:
The nurse helped the invalid to sit up in bed.
护士帮助病人在床上坐起来。
He spent his last years as an invalid, confined to a wheelchair.
他生命的最后几年是作为一名病人度过的,只能坐在轮椅上。
1.

无效的, 不合法的

not valid; not effective or legally binding

:
The contract was declared invalid due to a technicality.
由于技术原因,合同被宣布无效
Your password is invalid. Please try again.
您的密码无效。请再试一次。
2.

无效的, 不真实的, 错误的

not based on truth or fact; fallacious

:
His argument was dismissed as invalid.
他的论点被驳回为无效
The conclusion drawn from the flawed data was invalid.
从有缺陷的数据中得出的结论是无效的