1.depredation 破坏
Much of the region's environmental depredation is a result of poor planning.
这个地区的环境破坏大都是规划不周的结果 。
2.keep under control 控制
He can keep matters under control by silencing the demonstrators and others who think like them
他可以通过压制示威者和与他们观点相同的人来控制住事态 。
3.be adept at 擅长
He's usually very adept at keeping his private life out of the media
他通常很善于使自己的私生活避开媒体的关注 。
4.keep at bay 牵制
I had to keep him at bay.
我不得不让他绝望了 。