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2. chase vt. 追捕, 追逐；追寻；寻找
例句：The police tried to chase the dead man's brother up but they had no idea where he lived.
警方试图找到死者的兄弟，但是他们不知道他住在何处。
3. salute v. 欢迎; 致敬
例句：The officers saluted as the soldiers marched past.
当士兵以分列式通过时, 军官举手敬礼。
4. 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。
5. condolence n.同情;吊唁
例句：We would like to take this opportunity to convey our heartfelt condolences to the families of the victims.
我们谨此向受害人家属表达我们衷心的慰唁。
6. appropriate adj. 合适的，适合的，适宜的，适当的，恰当的
例句：Her bright clothes were not appropriate for a funeral.
她那身鲜艳的衣服不适合参加葬礼。
7. commit vt.犯罪; 犯错；承诺; 使自己受约束；托付; 交付
例句：He has committed a serious fault.
他犯了严重错误。
8. irreparable adj. 不能修复的;不可弥补的
例句：Her death is an irreparable loss to the firm.
她的去世对公司是不可弥补的损失。
9. blast n.爆炸
例句：Police said that the blast occurred at 9 a.m.
警方说这次爆炸发生在上午九点。
10. detect vt.发现; 发觉, 查明
例句：I detected anger in her voice.
我察觉出她说话声里含着愤怒。
