第三人称复数：about-faces
动词向后转; 大改变; 倒转; 彻底改变
名词突然改变（看法，立场等）; 向后转（的动作）
1. 向后转：一个教学成果是由师生共同创造的,在准备上第一堂双语课前,教师与学生共同学习体育课常用的口令比如:稍息( At ease)、立正(Attention)、向右看齐(Eyes right)、向前看(Eyes front)、报数(Count off)、向左转(Turn left)、向右转(Turn right)、向后转(About face)、集合(Fall
2. 改变态度：a slap on the wrist 轻微的处罚 | about face 改变态度 | drag one's feet 推三阻四
3. 向后转;(态度,意见等)大转变：bring sth.about 使发生 | about face 向后转;(态度,意见等)大转变 | How about...? 表示访问,...怎么样?
4. 向后转,(意见或态度等的)大转变：a viable proposal 一项可靠的建议 | about-face 向后转,(意见或态度等的)大转变 | access 市场准人
1. （态度或观点的）彻底改变，大转变
An about-face is a complete change of attitude or opinion.
e.g. 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会彻底改变态度而增加开支。
noun
1. about-face
1. a major change in attitude or principle or point of view
e.g. an about-face on foreign policy
Synonym: volte-face reversal policy change
2. act of pivoting 180 degrees, especially in a military formation
Synonym: about turn
verb
1. change one's mind and assume the opposite viewpoint
2. turn, usually 180 degrees