The decision was a 180-degree turn that surprised everyone.

这个决定是一个180度的拐弯，让所有人都很惊讶。

His attitude made a 180-degree turn and became very positive.

他的态度发生了180度的拐弯，变得非常积极。

He suddenly made a 180-degree turn and decided not to travel.

他突然来了个180度的拐弯，决定不去旅行了。

Her opinion took a 180-degree turn, and she now fully supports the plan.

她的观点来了个180度的拐弯，现在完全支持这个计划。

Their strategy took a 180-degree turn and now focuses on quality instead of quantity.

他们的策略来了个180度的拐弯，现在专注于质量而不是数量。