ABOUTFACE (ON SOMEONE OR SOMETHING)

about-face (on someone or something): translation

*an about-face (on someone or something)

Fig. a reversal of attitude or action. (*Typically: do \about-face (on someone or something); have \about-face (on someone or something).) •

She did an about-face on her rule about not eating in the living room. Now we can do it if we want.