The shop-keeper should be good command of english, and train to know some daily Japanese , French, Korea, etc.

店员要求有良好的英语基础，同时培养一些常用的日语，法语，韩语…

youdao

Applicants will be expected to have (a) good command of English.

申请人必须精通英语。

《牛津词典》

There is no doubt that in the Internet era, one must get a good command of computer skills to be successful in getting a good job.

毫无疑问，互联网时代，人们必须掌握良好的计算机技能才能获得一份好工作。

youdao

Actually, if that means just a hint of the brilliant command of pacing that the Call of Duty series has always managed, that might be a good thing.

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His fluency in the French language may stand him in good stead in the corridors of Brussels although his command of English is said to be less sure.

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