The administration seems to have done a complete about-face on gun-control.政府对枪支管制的态度似乎来了个一百八十度大转变。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。The soldiers were ordered to do an about-face.士兵们被命令向后转。