about-face
v.
向后转；大改变；倒转；彻底改变
n.
突然改变（看法，立场等）；向后转（的动作）；
变形
复数：about-faces
英英释义
about-face[ ə'baut,feis,ə,baut'feis ]
n.
act of pivoting 180 degrees, especially in a military formation
同义词：about turn
a major change in attitude or principle or point of view
"an about-face on foreign policy"
同义词：volte-facereversalpolicy change
v.
turn, usually 180 degrees
change one's mind and assume the opposite viewpoint
双语例句
用作名词(n.)
He made an abrupt about-face and left the room.
他突然向后转，离开了房间。
His choice of that house was an about-face from his original intention.
他选择这个房子的念头是改变后的决定
权威例句
About-FaceAbout face
About-face
Glycemic Control in Type 2 Diabetes: Time for an Evidence-Based About-Face?
Doing an about-face: Social motivation and cross-cultural currents.
Academy's About-Face on Forensic DNA
An About-Face Found in the Ancient Ocean
AN ABOUT-FACE ON GENE PATENTS
A Jamesian About-Face: Notes on "The Jolly Corner"
About-face on face recognition ability and holistic processing
An about-face for modern human origins.
The Arabidopsis clock: time for an about-face?
Italy performs GMO trial about-face
1. Few observers believe the president will do an about-face and start spending more.
没有几个观察家认为总统将做出彻底改变并开始增加支出。
《柯林斯英汉双解大词典》
2. This past December, Facebook did an about-face on privacy.
刚过去的十二月，Facebook的隐私政策上演大变脸。
youdao
3. He threatened to stop helping us, but did a complete about-face.
他威胁要停止帮助我们，但是却来了个彻底的大转变。
youdao
4. Joost started by offering video through its own software application, but lost out to Hulu and did an about-face.
Joost曾经通过自己的软件提供看影像，但是输给了Hulu，最后不得不做出改变。
youdao
5. The about-face of Morris Chafetz, a doctor who served on the commission that recommended increasing the drinking-age to 21, has also raised eyebrows.
就连曾经在建议将饮酒年龄提高到21岁法定年龄委员会任职的医生MorrisChafetz，近来态度也发生了180度的转变，令人大跌眼镜。
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6. Foreign Minister Takeaki Matsumoto has committed an about-face on policy by telling his ministry to refrain from vouching for the safety of Japanese food.
外交大臣Takeaki Matsumoto承认了政策上发生转变，告知他的内阁停止声称日本食品是安全的。
youdao
7. Helio was originally conceived as a "power user's carrier," but it did an unexplained about-face and decided to go for the social-networking youth when it launched.
Helio在筹备的时候标榜为“超级玩家的运营商”，但在发布的时候来个大变脸，决定去拥抱社交网络的年轻人。
youdao
8. The most striking about-face has come from John McCain, who played a leading role in promoting cap and trade, introducing a bill broadly similar to Waxman-Markey in 2003.
在2003 年，他曾经在推行排放配额制度中扮演主要角色，提出了一项和维克斯曼和马基法案大同小异的法案。
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9. He accused the Government of refusing to face facts about the economy.
他指责政府拒绝正视有关经济的现实情况。
《柯林斯英汉双解大词典》
10. She was forced to face up to a few unwelcome truths about her family.
她不得不正视有关她家的几桩尴尬事。
《牛津词典》
11. Her grey hair straggled in wisps about her face.
她灰白的头发一缕缕地披散在脸上。
《柯林斯英汉双解大词典》
12. There was something a little severe and forbidding about her face.
她的脸色严厉且令人生畏。
《柯林斯英汉双解大词典》
13. The sight of his uplifted face brought about a sudden change in her own.
看到他那张仰起的脸，她自己也突然有了变化。
youdao
14. I don't want to put my grades at risk, but I'm afraid to face my friend about this, so I just keep avoiding the topic.
我不想把我的成绩置于危险之中，但是我害怕面对我的朋友，所以我一直回避这个话题。
youdao
15. Tom went about, hoping against hope for the sight of one blessed sinful face, but disappointment crossed him everywhere.
汤姆四处走动，抱着一线希望，只希望能看到一张被上帝放过的邪恶的脸，可是无论何地都令他失望。
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16. A strange smile was playing about his face, and Wendy saw it and shuddered.
他脸上露出一种奇怪的微笑，温迪看见了，打了个寒颤。
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17. Both face maximum forfeitures of about $1.2 million.
双方都面临最高可达一百二十万美元的财产没收。
《柯林斯英汉双解大词典》
18. I could feel blood draining from my face. I wondered whether I was about to black out.
我能感到血从脸上淌下来。我不知道自己是不是要昏过去了。
《柯林斯英汉双解大词典》
19. Learning about life in a new culture is part and parcel of what newcomers to America face.
学习在一种新的文化中生活是每一个新来美国的人要面对的事情中的重要部分。
《柯林斯英汉双解大词典》
20. There was something vaguely familiar about her face.
她有点儿面熟。
《牛津词典》
21. He had been badly battered about the head and face.
他被打得鼻青脸肿。
《牛津词典》
22. Beauty isn't about having a pretty face.
美丽不在于拥有一张漂亮的脸蛋。
youdao
23. Let's continue our discussion about animal behavior by talking about decisions that animals face, complex ones.
让我们继续讨论动物行为通过讨论动物面临的决定，复杂的决定。
youdao
24. When people are stressed or thinking hard about something, then they will often put on a "grumpy face" without even knowing what they are doing.
当人们感到有压力或正在努力思考某件事时，他们往往会摆出一副“暴躁的面孔”，而自己甚至意识不到。
youdao
25. Disappointed about the current situation, he could do nothing but put on a brave face.
虽然对现状感到不满，但他除了强颜欢笑之外别无他法。
youdao
26. This horrid little being, whose face shone with kindness, went about the world looking for boys.
这个可怕的小家伙，脸上挂着一副善良的神情，在世界各地寻找男孩。
youdao
27. I told my sister about my opinions, but she just laughed in my face.
我告诉我姐姐我的想法，她却当面把我嘲笑了一番。
youdao
28. Tootles' face was very white, but there was a dignity about him now that had never been there before.
图托斯的脸色十分苍白，但现在他身上有一种以前从未有过的尊严。
youdao
29. Before he knew what he was about, he had his face against the gate-bars.
他还没弄明白自己在干什么，脸就已经贴在门闩上了。
youdao
30. Before he knew what he was about, he had his face against the gate-bars.
他还没弄明白自己在干什么，脸就已经贴在门闩上了。
youdao
about-face
