nose stud
noun [ C ] uk/ˈnəʊz ˌstʌd/ us/ˈnoʊz ˌstʌd/
鼻钉（镶在鼻子一侧的小枚珠宝）
a small piece of jewellery connected to a short, thin piece of metal that passes through the side of the nose
She wondered if she should take out her nose stud for the job interview. 她不知道是否应该为了参加面试而摘掉鼻钉。