turn·a·bout
noun/ˈtɜːnəbaʊt/
/ˈtɜːrnəbaʊt/
[singular]- turnabout (in something) a sudden and complete change in somebody/something
突变；一百八十度的大转弯；变卦 - a dramatic turnabout in overseas policy
海外政策的戏剧性转变
- a dramatic turnabout in overseas policy