For example,a greenhorn is someone who has no expereince, who is new to a situation.

VOA: special.2010.05.23

Even if tomorrow someone were to hand doctors a magic new technology that would enable to control neurons and synapses with whatever precision they want safely inexpensively.

就算明天有人交给医生一项神奇的新技术,让他能安全，随心所欲地控制神经元和神经突触。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

I've only been to one basketball game, and I think it was a New York Knicks against someone -

我仅仅看过一场篮球赛，当时好像是纽约尼克斯队和某个队的比赛。

麦迪逊广场花园 - SpeakingMax英语口语达人

At that time, the famous American music writer George Gershwin was looking for someone to play a leading part in his new work, "Porgy and Bess."

VOA: special.2010.03.07

"Don't keep them away from something that can change their lives and give them a new vision and give their parents a new vision of them, just because they don't want someone in the community to say, 'oh,your child is special."

VOA: special.2009.08.23

"It is clear that he was keener than the official policy on engaging and negotiating with the Taliban, so that could be connected with it or potentially the new government wanting someone who maybe wasn't as closely linked with the previous government here in the U.K."

VOA: standard.2010.06.22