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1·He is said to be expert in English speech.

据说，他擅长用英语作演说。

2·Be expert in...

在…方面是专家。

3·Travel them, and be expert in home-cosmography.

那末去旅行，成为家庭宇宙志的地理专家。

4·For example, individuals need to be expert in their specialty areas to move up. That tends to preclude branching off into other areas of the community.

例如，在某专业领域成为专家的人也需要不断改进，需要排除异心与智囊团的其他部门协作。

5·I don't profess to be an expert in this subject.

我不敢自诩为这方面的专家。《牛津词典》

6·He claims to be an expert in astronomy.

他声称自己是天文学专家。

7·Cassie, an expert in this field, suggests that the cooperation process within teams must be organized, promoted and managed.

凯西是这一领域的专家，她建议必须组织、促进和管理团队内部的合作进程。

8·Casey, an expert in this field, suggests that the cooperation process within teams must be organized, promoted and managed.

凯西是这一领域的专家，他建议必须组织、推进和管理团队内部的合作进程。

9·For one thing, the market is full of eye-catching words such as How to be an Industry's Expert in 5 Hours and 15 Classes to Be a Master of Appreciating (欣赏) Classical Music, which sound like if you pay for it, you are sure to succeed.

一方面，市场被这些吸人眼球的话语充斥着，比如“如何在5小时内成为一个行业的专家”和“十五堂课速成欣赏古典音乐大师”。这些话听起来就像是若你为此付了钱，你便一定会成功一样。

10·There should be more safety training at schools in our country, said Xu Jiannong, an education expert in Beijing.

北京教育专家徐建农表示：“我们国家的学校应该进行更多的安全培训。”