VOA慢速英语:American Lawmakers Concerned about Cyber Attacks

短语讲解：

1. Several other lawmakers expressed concern about reports that China is to blame for most attacks against American computers and computer networks.

concern about 使（自己）关心…
例句：There is widespread public concern about this problem.
公众普遍地关注这个问题。

2.  We’ve called on them to acknowledge it, take it seriously,understand it, to investigate it and stop it, and to work with us in creating broad norms of responsible cyber behavior.

call on 号召
例句：I call on israel to halt such attacks.
我呼吁以色列停止这种袭击。
work with 与…在一起干；从事…工作
例句：I'm pleased to work with you.
我很高兴能与你一起工作。

3. He said the United States has taken part in what he called “tough talk” with China and other nations.

take part in 参加
例句：We often take part in physical labour.
我们经常参加体力劳动。

4. A Senate bill on cyber security last year failed to get enough votes to pass.

fail to 未能…
例句：They fail to inculcate student with love of knowledge.
他们未能谆谆教诲使学生们爱好知识。