一个形容词在句子中的语法成分问题

unannounced是可以解释为未经允许，值得注意的是，它既可以作形容词，也可以做副词，所以在这里它作副词，修饰词组drop in on me中的动词drop

求以UN开头表否定意义的动词类似undo之类的词 越多越好~3q

1、unhappy

adj. 不快乐的；不幸福的；不适当的

2、unfit

adj. 不适宜的；不合格的；不健康的

vt. 使不合格；使不相宜；使不胜任

3、unfaithful

adj. 不忠实的；不诚实的；不准确的

4、unpleasant

adj. 讨厌的；使人不愉快的

5、unnecessary

adj. 不必要的；多余的，无用的

有哪些词根加了un可以变成另外一个单词

3876 words found.

The most frequently occuring words starting with un

The number indicates the approximate number of times the word occurs per million words

until (409)

unlikely (113)

unless (110)

unable (64)

unemployment (64)

uncertainty (48)

unfortunately (47)

unlike (47)

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unfair (38)

unhappy (38)

undertaking (33)

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undoubtedly (24)

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uncover (13)

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underlie (12)

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undo (11)

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unionists (9)

unlawful (9)

unlock (9)

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undue (5)

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unreliable (5)

unseen (5)

unskilled (5)

untouched (5)

unused (5)

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unease (4)

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unfit (4)

uniformed (4)

unimportant (4)

unioni** (4)

unitary (4)

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unlocked (4)

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unsafe (4)

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unto (4)

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unnerve (3)

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unfasten (1)

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There are 3230 less common words:

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堂兄英文怎么读

堂兄

[词典]

elder

male

cousin;

cousinly;

[例句]到西贡的第一个晚上，我给父亲的堂兄堂弟们来了个突然袭击。

My

first

night

in

Saigon

I

paid

an

unannounced

visit

to

my

father's

cousins.

飞行检查是什么意思？

飞行检查（Unannounced Inspection），简称飞检，是跟踪检查的一种形式，指事先不通知被检查部门实施的现场检查。飞行检查是国际上产品认证机构对获证后的工厂最常用的一种跟踪检查方法，也是提高工厂检查有效性的重要手段。

起源

飞行检查最早应用在体育竞赛中对***的检查，指的是在非比赛期间进行的不事先通知的突击性***抽查。 1991年，国际奥委会特别通过了一项议案，率先在其医学委员会下成立了赛外检查委员会。

定义

具有监督管理权限的部门或组织检查被监督对象，主要目的就是为了了解被监督对象的真实情况，发现其需要改进的问题。

可是许多监督管理部门均是预先发通知、定时间、定路线。被检查单位也是提前作好了各项档案资料准备，招待盛情周到，最后是双方皆大欢喜，而监管部门对被监督对象的实际情况则了解甚少，许多存在的问题并没有发现，也就谈不上改进了。

这种流于形式的监督检查，可以说是当前食品药品安全隐患突出、假冒伪劣产品盛行的重要根源之一。

优势

飞行检查是在被检查单位不知晓的情况下进行的，启动慎重，行动快，因此可以及时掌握真实情况，做到心中有数。飞行检查好就好在可以避免某些****的东西，发现被检查对象的实际情况，及时依法予以查处，避免出现严重的社会危害。

以上内容参考：百度百科——飞行检查

秘密用英文怎么说

秘密 [mì mì]

secret; clandestine; confidential:

unravel the secrets of the universe;

揭开宇宙的秘密

The senate had a session today with closed doors.

参议院今天召开一次秘密会议。

Do it, by all means, but strictly on the quiet.

这件事一定要干， 不过要严守秘密。

短语:

秘密报告 secret report;

秘密串连 make secret contacts with **.;

秘密电报 {讯} bamboo telegraph; bamboo wireless;

秘密斗争 underground struggle;

秘密会议 secret meeting; closed-door session;

秘密活动 clandestine activties;

秘密计划 clandestine plan;

秘密交易 clandestine dealing;

秘密接头 {讯} wiretap;

秘密结社 form a secret society;

秘密警察 secret police;

秘密贸易 clandestine trade;

秘密内阁 interior cabinet;

秘密渠道 back channel;

秘密条约 secret treaty;

秘密通信 confidential correspondence;

秘密投票 secret ballot; Australian ballot;

秘密外交 secret diplomacy;

秘密卫星 unannounced satellite;

秘密文件 secret papers; confidential document;

秘密文件指示符 backdoor file indicator;

秘密武器 {军} [德] wuwa; secret weapon;

秘密消息 classified information;

秘密协议 knockout agreement;

秘密选举 secret election;

秘密准备 undisclosed reserve;

秘密资产 nonledger assets

参考：有道词典