When he saw the police car, he about-faced and quickly walked away.
The new policy represents a complete about face from the old one.
A politician will about-face at the drop of a hat if he thinks there are votes in it.
When Luke heard the news, he did an abrupt about-face on the policy.
... sumo wrestler sat on your face. ...
... are going into retirement and dying. You will face problems in the aging of the population ...