I only have a superficial knowledge of French.
我对法语只懂些皮毛。
youdao
They have a superficial knowledge of the matter.
关于这个问题他们只有肤浅的了解。
I only have a superficial knowledge of the subject.
我对那个主题只知道一些皮毛。
应用推荐
模块上移
模块下移
不移动