Welcome to the Voice of America's News Words.
欢迎收看美国之音：新闻词汇。
In Cuba, more than twenty American diplomats recently suffered unexplained health problems. Sophisticated.
在古巴，超过20名美国外交官最近患上原因不明的疾病。高级的，复杂的。
The diplomats reported injuries such as loss of hearing, headaches and confusion.
据报道，这些外交官出现了听力丧失、头痛和意识模糊等伤痛。
U.S. officials are investigating them as targeted attacks.
美国官员正在调查这些有针对性的侵害。

Whatever happened to these people happened as a result of some sophisticated technology that quite frankly, is so sophisticated we don't understand it.
这些人的遭遇是一些复杂技术带来的后果，很明显它太复杂了，我们无法理解。
Sophisticated technology is highly developed and complex.
复杂技术是高度发达和复杂的。
A sophisticated person has worldly experience and knows about fashion, art and culture.
一个见多识广的人有丰富的阅历，了解时尚、艺术和文化。
Now you know what "sophisticated" means.
现在你知道sophisticated的意思了。