Be proficient in application of OFFICE software.

能够熟练应用OFFICE办公软件。

After reading this book, you will be proficient in writing.

读完这本书，你会精于写作。

Cause of the job, I need to be proficient in English and Japanese.

本人因工作需要，需精通英语、日语两种语言。

Be proficient in mechanical structure and electrical control function.

熟悉机械原理和电气控制原理。

The candidate should be proficient in cell culture and trouble shooting.

具有丰富的肿瘤细胞培养经验，能够解决各种细胞培养中出现的问题；