about-face
[ə'baut.feis]
n.向后转,(态度、举止、观点等的)彻底改变
v.向后转,彻底改变
例句与用法：
"Timber" the man shouted as the tree was about to fall.
树快要倒下时，那个人喊道“避开！”。
A new book is about to be brought out.
一本新书即将出版。
I was just about to call you.
我正准备打电话给你。
The autumn harvest is about to start.
秋收即将开始。
She was about to dish up when some guests came.
她刚要上菜开饭，这时来了一些客人。
The match is about to begin.
比赛即将开始。
As she was about to speak, I frowned her down.
她刚要开口，我就皱皱眉示意她别出声。
He was about to start.
他即将动身。
词形变化：
动词过去式: about-faced | 动词过去分词: about-faced | 动词现在分词: about-facing | 动词第三人称单数: about-faces |
详细释义：
n.
1. 向后转; 转回原来方向
2. (立场、观点等的)彻底改变; 变卦
vi.
1. 向后转
2. 改变主张