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.
... and terrifying. Users will be strongly incentivized to settle quickly, rather than face the dreadful ...
... which is what happens when an engineering culture comes face to face ...