acquaintance [əˈkweɪntəns]

以下由轻松背单词网站提供

n.认识，相识，了解；相识的人，熟人

a person that you have met but do not know well

When did you make the acquaintance of his brother? 你是什么时候认识他兄弟的？
I have only a nodding acquaintance with him. 我和他只有点头之交。