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concentrate on集中,全神贯注于
例句：It 's too hot to concentrate on book.
热得不能集中心思看书。
be capable of能够…,可以…,做得出…
例句：This passage is capable of various interpretations.
这段话可以有各种的解释。
2.But faced with criticism that the administration is turning its back on missile defense in Europe and caving in to Russia.
cave in倒塌,坍塌,凹进,下沉;屈服,认输
例句：The enemy had to cave in and surrender.
敌人只好屈服投降。
3.The changes affect matches in the group's stage which is now under way.
under way进行中,在行进
例句：The construction project got under way last week.
这建筑工程于上周开始进行。
4.For the first time in a European club tournament, the referee will have four assistants, two linesmen and two extra officials, one behind each goal to help make important decisions in the penalty area.
make decisions做决定
例句：These people can make decisions in ten minutes.
这些人在十分钟之内就能作出决定。