1. They have also clamped down on private media.
clamp down on 压制,取缔
The team manager has been quick to clamp down on the merest hint of complacency.
球队主教练很快就消除了自满的小苗头
。2. The agency is calling for more concerted action on safeguarding the world's diminishing water sources and on mitigating climate change.
concerted action 一致行动
Martin Parry, author of the report, says it's time for concerted action by world leaders.
该报道的作者马丁·帕里宣称是世界各国的首脑采取一致行动的时候了
。