1. operate vt. 营业,营运
例句：His company operates in several countries.
他的公司在几个国家有业务活动。
2. warning n. 警告;告诫;警报
例句：The red light is a warning sign for stop.
红灯是警告停止行进的信号。
3. suspect vt. 猜疑(是), 怀疑(是), 觉得(是)
例句：I suspect him to know everything about that.
我猜想那件事他全都知道了。
4. involvement n. 参与;加入;插手
例句：He encourages parental involvement in the running of school.
他鼓励学生家长参与学校的管理。
5. float vi. 漂浮,浮动;飘动
例句：The empty boat was floating on the sea.
那艘空船在海上漂浮。
6. calm v. (使)平静; (使)镇定
例句：They did what they could to calm her.
他们尽力使她平静下来。
7. worth adj. 值得;有…价值；值…钱
例句：The novel is worth reading.
这部小说值得一读。
8. recovery n. 恢复健康, 复原
例句：He made a quick recovery from his illness and was soon back at work.
他生病后康复得很快, 不久就去上班了。
9. abuse n. 滥用, 妄用, 虐待
例句：I'm afraid the position is open to abuse.
恐怕这个职位容易使人滥用职权。
10. express vt.表达, 表示
例句：He expressed his views at the meeting.
他在会上发表了自己的观点。