about-face
US /əˈbaʊt.feɪs/
UK /əˈbaʊt.feɪs/

1.
徹底轉變, 一百八十度大轉彎
a complete change of opinion or policy
:
•
The government did an about-face on its economic policy.
政府在經濟政策上來了個徹底轉變。
•
Her sudden about-face on the issue surprised everyone.
她在這個問題上的突然轉變讓所有人感到驚訝。
1.