1.roll back 逐渐减少,降低
Environmentalists regard these moves as the government taking advantage of the national mood to roll back protective measures
环保主义者认为这些是政府利用国民情绪来减少保护措施的举措 。
2.in jeopardy 处于危险境地,受到威胁
A series of setbacks have put the whole project in jeopardy.
一系列的挫折使整个项目面临失败 。