command of somethingKNOW somethingknowledge of something, especially a language, or ability to use something 对某事物的掌握,使用某物的能力〔尤指语言〕(have a) good/excellent/poor etc command of something He’s studied in the US and has a good command of English. 他在美国留过学,精通英语。
(have a) good/excellent/poor etc command of something• This is because it is essential to have a good command of both before trying to combine them.• Sabathia has a fastball in the high 90s and good command of a curveball and changeup.
→ command of something at command1(1)