" I have an acquaintance with Irish history." I'm not an expert, I know a little bit.

“我对爱尔兰的历史有所了解。 ” 我不是专家，略知一二。

There's a second meaning of " acquaintance" that is related to the topic of understanding and knowledge, and that's when we say that I have an acquaintance with some kind of knowledge.

“相识” 还有第二个意思， 它与理解和知识的话题有关， 那就是当我们说我有一个认识某种知识的时候。