我对那个主题只知道一些皮毛。

I only have a superficial knowledge of the subject.

youdao

例如，我只知道一些皮毛。

For example, I only know a little bit about it.

youdao

“我认为对于大脑中的情绪，我们只是了解了一些皮毛而已。”勒杜说。

"I think we've only scratched the surface of emotion in the brain," he says.

youdao

冬季为白色皮毛且一些爪非常大的北美洲旅鼠。

North American lemming having a white winter coat and some claws much enlarged.

youdao

冬季为白色皮毛且一些爪非常大的北美洲旅鼠。

North American lemming having a white winter coat and some claws much enlarged.

youdao