他是操纵媒体为自己服务的老手。He was a past-master at manipulating the media for his own ends.她是个打情骂俏的老手。She's a real flirt.她是对付新闻界的一位老手。She's an old hand at dealing with the press....
They are uncertain about what to do next.他们不知道下一步该做什么。For a minute he looked uncertain, and then recovered his composure...有一小会儿他看上去有些迟疑不定，之后又恢复了镇定。Students all over the country are facing an uncertain future.全国各地学生前途未卜。...