certify常用短语

1. （正式）证明...有精神病
2. 担保（支票）可付款
3. 验证，证明，证实，保证，担保，确证
4. 发证书给
5. 颁发专业合格证书， 颁发证书
6. 担保的可靠性
7. 使确信，把…弄确实
8. 给予证明

1. provide evidence for; stand as proof of; show by one's behavior, attitude, or external attributes;

   "His high fever attested to his illness"
   "The buildings in Rome manifest a high level of architectural sophistication"
   "This decision demonstrates his sense of fairness"
   

2. guarantee payment on; of checks
3. authorize officially;

   "I am licensed to practice law in this state"
   

4. guarantee as meeting a certain standard;

   "certified grade AAA meat"
   

5. declare legally insane

1.证明;出具证明;证实
If someone in an official positioncertifies something, they officially state that it is true.

e.g. ...if the president certified that the project would receive at least $650m from overseas sources...
如果总统证明这个工程将获得至少6.5亿美元的海外资金
e.g. The National Election Council is supposed tocertify the results of the election...
全国选举委员会应对选举结果出具证明。

2.给…颁发合格（或结业）证书
If someoneis certified as a particular kind of worker, they are given a certificate stating that they have successfully completed a course of training in their profession.

e.g. They wanted to get certified as divers.
他们想拿到潜水员资格证。
e.g. ...a certified accountant...
持证会计

1. The manager certified this check.
   经理确认了这张支票。
2. The bank certified my accounts.
   银行核实了我的账目。
3. The bank certified his account number.
   银行核实了他的账号。
4. The authority certified the teachers.
   管理部门给教师颁发了证书。
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5. You should be certified, you're mad.
   应该宣布你为精神病人,因为你疯了。

1. I certified that the facts written here are the truth.
   我保证这里所写的属实。
2. I certify that I witnessed the signing of this document.
   本人为此项文件签字过程之见证人。
3. I certify that he is an honest student.
   我证明他是个诚实的学生。
4. The diploma certifies that you have completed high school.
   本文凭证明你已修完中学课程。

1. I certify this as a true copy of his letter.
   我证明本件确系他信件的副本。
2. He certifies this to be true.
   他证明此事属实。
3. The doctor certified the prisoner insane.
   医生证实这个被拘押的人精神异常。
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4. The accounts were certified as correct.
   经核查账目无误。
5. The planes were certified airworthy.
   飞机被证明适于航行。

certify for (v.+prep.)

保证 assure
certify for sth

We can certify for her competence as a secretary.

我们可以保证她能胜任此秘书工作。

Can you certify for his ability as a teacher?

你可以保证他能胜任老师的工作吗?

certify to (v.+prep.)

证明 give evidence of
certify to sth

I can certify to his good character.

我可以证明他品德好。

I believe it to be true, but I am not able to certify to that effect.

我相信它是真的,但我不能证实其真实性。

1. certify的基本意思是“证明”,指以盖章或签字的手段正式证实某事的真实性，引申可表示“发证书给…”。
2. certify在英式英语中表示“正式宣布某人有精神病”,是非正式用语。
3. certify是及物动词,接名词、代词作宾语,也可接that从句。certify还可接以“as/to be+ n./adj. ”充当补足语的复合宾语。