about-turn
noun /əˌbaʊt ˈtɜːn/
/əˌbaʊt ˈtɜːrn/
(British English) (also about-face North American English, British English)
[singular]- a complete change of opinion, plan or behaviour
(意见、计划、行为的)彻底改变 - The government did an about-turn over nuclear energy.
政府对核能的态度来了个 180 度的大转变。
词源late 19th cent. (originally as a military command): shortening of right about turn. - The government did an about-turn over nuclear energy.