粗浅的英文：
shallow
superficial

参考例句：

Even what you learn during the four years of university will be something quite superficial too
就是大学四年，所授课业也还是相当粗浅的学识。

shallow是什么意思：
adj. 浅的；肤浅的；（呼吸）浅的
n. 浅处
v. （使）变浅

The boat has a shallow draft.
这条船吃水浅。

shallow gas blowout
浅气层井喷

The ship was grounded in shallow water.
船在水浅处搁浅。

I breathe fast and shallow.
我的呼吸又快又浅。

The lake shallowed over time.
随着时间的流逝，那个小湖变浅了。

superficial是什么意思：
adj. 表面（上）的；肤浅的；表层的

He has a superficial knowledge of a subject.
他对一门学科略知皮毛。

This is only superficial prosperity.
这只是表面繁荣。

A superficial injury is not serious.
表皮的伤不太严重。

Giving a momentary or superficial impression of brilliance.
闪烁的，炫耀的给人以短暂或表面印象的光彩或才华的

And it's a superficial, formal, external similarity.
这只是一种浮于表面的相似。