This represents a volte-face in government thinking.

这代表着政府观点的彻底转变。

《牛津词典》

The reasons for the apparent volte-face remain mysterious.

这一明显的态度大转变的原因还是个迷。

youdao

The volte face is particularly dramatic among neoconservatives.

新保守主义者的转向尤其戏剧化。

youdao

The signals coming from the preparatory talks, however, suggest it'll be a wiggle rather than a volte-face.

BBC: The joylessness of shopping

And there's no technical reason VoLTE and HD Voice can't go across carriers.

ENGADGET: Verizon expanding San Francisco Innovation Center, currently working on cross-carrier HD Voice support

Consumers, in turn, will find VoLTE a better match for sophisticated services like mobile videoconferencing.

FORBES: MetroPCS Launches First LTE Android Phone, May Be First To Offer Voice-Over-LTE