tā / guò / qù / yì / zhí / jiān / chí / zhè / xiàng / zhèng / cè / zuì / jìn / què / tū / rán / gǎi / xián / yì / zhé / le

他过去一直坚持这项政策，最近却突然改弦易辙了。

He had always supported this policy, but recently he suddenly changed course.