2. relevant adj. 有关的, 切题的
例句：These materials are relevant to the case.
这些材料与这案件有关。
3. complicate vt. 使复杂化
例句：These events will greatly complicate the situation.
这些事件将使局势变得极其复杂。
4. invalid adj. 不承认的， 无效的
例句：A passport that is out of date is invalid.
护照过期是无效的。
5. bid n. 企图，试图；尝试；努力；争取
例句：He made a bid for freedom by climbing over the wall.
他企图翻越这面高墙以获得自由。
6. disturbance n.打扰, 扰乱；骚乱, 纷乱；困扰
例句：There's a violent disturbance in inner city areas.
市中心发生了激烈的骚乱。
7. suspend vt. 暂停, 终止
例句：Both sides in the conflict have agreed temporarily to suspend hostilities.
冲突双方同意暂时停火。
8. verify vt. 证实, 核实
例句：Subsequent events verified that his judgment was at fault.
接着发生的事件证实了他的判断有误。
9. deteriorate vi.恶化, 变坏
例句：Relations between the two countries have deteriorated sharply in recent weeks.
最近几周那两个国家间的关系严重恶化了。
10. fulfill vt. 履行(诺言等);完成(任务等);实现
例句：He always fulfills his promises.
他总是履行自己的诺言。
