您要查找的是不是：
- Smog,once an urban annoyance,is now recognized as a health risk,and the automobile has been pinpointed as the principal culprit. 烟雾，原先只不过是一桩使城市居民感到烦恼的事，现在则被公认为危害健康的因素。汽车已被确认为损害健康的罪魁祸首。
- Smog, once an urban annoyance, is now recognized as a health risk, and the automobile has been pinpointed as the principal culprit. ??烟尘，原先只不过是一桩使城市居民感到烦恼的事，现在则被公认为危害健康的因素。汽车已被确认为损害健康的罪魁祸首。
- They denounced him to the police as a criminal. 他们向警方告发他是罪犯。
- A principal criminal fell into the net. 要犯落网。
- The hungry criminal came out of his hiding place. 饥饿的罪犯离开了他的藏身之所。
- The criminal disposed of the witness to the crime. 罪犯将他犯罪的目击者杀死了。
- My wages are the principal source of my income. 薪金是我收入的主要来源。
- They surprised the culprit into telling the truth. 他们用出其不意的办法使罪犯吐露实情。
- The police disarmed the criminal. 警察缴下了罪犯的枪械。
- The culprit will be whipped when he is found. 那个罪犯找到后就要挨鞭子抽打。
- The principal shareholder ask for a meeting. 主要股东们要求召开会议。
- The police are now on the scent of the culprit. 警方已获得罪犯的线索。
- The lineament of the criminal has been found. 罪犯的特征已经找到了。
- The agent spoke on behalf of his principal. 代理人代表他的委托人说话。
- Keys are available on application to the principal. 向校长申请就可得到钥匙。
- People sent the criminal to his doom. 人们将这个罪犯处死。
- Civil law is different to criminal law. 民法与刑法是不同的。
- The criminal is a murderous villain. 那个罪犯是个穷凶极恶的暴徒。
- The criminal was sentenced to capital punishment. 罪犯被判处死刑。
- She's been downgraded (from principal) to deputy. 她已(从校长)降为副校长。
