Definition
To have a slight or superficial relationship with a person, or to have a basic understanding of a subject.
對某人僅有淺層的認識，或對某事僅略知一二。
I have only a nodding acquaintance with that professor; I don't know him well.
我和那位教授僅有點頭之交；我並不了解他。
She has only a nodding acquaintance with this programming language and cannot complete the project independently.
她對這種程式語言僅略知一二，無法獨立完成這個專案。
Although I took economics in college, I now only have a nodding acquaintance with the subject.
雖然我大學時修過經濟學，但我現在對這門學科僅略知一二。