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

1.
彻底转变, 一百八十度大转弯
a complete change of opinion or policy
:
•
The government did an about-face on its economic policy.
政府在经济政策上来了个彻底转变。
•
Her sudden about-face on the issue surprised everyone.
她在这个问题上的突然转变让所有人感到惊讶。
1.