invalid
英 [ɪnˈvælɪd] 美 [ˈɪnvəlɪd]

adj.

无效的；不能成立的；有病的；病人用的

vt.

使伤残；使退役；失去健康；

n.

病人，病号；残废者；伤病军人；

vi.

变得病弱；因病而奉命退役；

变形

复数：invalids过去式：invalided过去分词：invalided现在分词：invaliding第三人称单数：invalids

双语释义

adj.(形容词)

1. 无适当根据的 not properly based or able to be upheld by reasoning
2. 无用的,无效的 not usable; not legally recognized
3. 有病的 be ill

n.(名词)

1. [C]病人,残疾者 person weakened through illness or injury; one who suffers from ill health for a very long time

英英释义

invalid[ ˈɪnvəlɪd；ɪnˈvælɪd ]

• n.someone who is incapacitated by a chronic illness or injury

  同义词：shut-in

• v.
  • force to retire, remove from active duty, as of firemen
  • injure permanently

    同义词：disableincapacitatehandicap

• adj.
  • having no cogency or legal force

    "invalid reasoning"; "an invalid driver's license"

  • no longer valid

    "the license is invalid"

词汇搭配

用作形容词 (adj.)～+名词

• invalid argument没有根据的论点
• invalid person有病的人

名词+～

• marriage invalid婚姻无效

用作名词 (n.)动词+～

• visit an invalid看望病人

形容词+～

• bedridden invalid卧床不起的病人
• permanent invalid长期病人

词组短语

invalid data无效数据；不正当数据

同近义词辨析

invalid, crisp, fragile, brittle, frail

这组词都有“弱”的意思，其区别是：

invalida.不正确的，缺乏证据的；无效的，作废的。作名词时，表示病弱者，伤残者，久病者。

Your ideas about the first humans are interesting but invalid.你关于最早的人类的观点很有意思，但是缺乏证据。

A bad car accident made him an invalid.一次严重的车祸使他变成了残疾。

crispa.指食品的松脆；清新的，爽快的；活跃的，有生气的，干净利落的。

crisp biscuit松脆的饼干

The student gave a clear, crisp answer to the teacher's question.学生干净利落地回答了老师的问题。

fragilea.常常修饰使用时必须小心才不会破碎的东西，也引申为体弱的，虚弱的。

He 's feeling a bit fragile after last night's party.他参加了昨晚的聚会以后，现在感觉有些虚弱。

brittlea.易碎的，易损坏的，通常是指坚硬的东西。

The bones of elderly people become brittle and easily broken.老年人的骨头变得脆弱，很容易骨折。

frail a. (指人)体弱的，虚弱的，也可以指东西易碎的。

His mother has grown old and frail.他母亲已经年老体弱。

patient, invalid

这组词都有“病人”的意思，其区别是：

patient泛指正患病的人，尤指正接受治疗的人。

invalid多指因伤病或营养不良而造成键康受损，需要他人照顾、护理的病人，也指先天性的残疾者。

双语例句

用作形容词(adj.)

1. A passport that is out of date is invalid.
   护照过期是无效的。
2. Unless a check is signed, it is invalid.
   支票除非签了名，否则是无效的。
3. She looks after her invalid mother.
   她照看病弱的母亲。

用作名词(n.)

1. Nobody looks after the invalid.
   没人照顾这个病人。
2. He never fully recovered, and had to spend the rest of his life as an invalid.
   他没能完全康复，于是不得不成了一名残疾者度过余生。

用作及物动词(vt.)

1. He was invalided out of the army because of the wounds he received.
   他因负伤而退役。
2. Ambassador decided that he must invalid his sick radio-officer home.
   大使决定把患病的无线电报员遣送回国。

权威例句

Avoiding Invalid Instruments and Coping with Weak Instruments
Bergmann's rule is invalid
To see or not to see: The need for attention to perceive changes in scenes
Web Modeling Language (WebML): a modeling language for designing Web sites
Page splitting mechanism for transparent distributed shared memory implementations in process migration cluster environments
Shifting visual attention between objects and locations: Evidence from normal and parietal lesion subjects.
Practical Verifiable Encryption and Decryption of Discrete Logarithms
Effects of spatial cuing on luminance detectability: psychophysical and electrophysiological evidence for early selection.
Taxonomy of XML schema languages using formal language theory
Efficient tests of stock return predictability ☆