俗语

我大部分能听懂他们说的话，但是听不懂他们说的俗语。

我大部分能聽懂他們說的話，但是聽不懂他們說的俗語。

I can understand most of what they say, but I don't understand the slang they use (in their speech).

你中文真好，都能引用俗语了。

你中文真好，都能引用俗語了。

Your Chinese is so good, you can quote proverbs.