年少者；I leave junior with Mom when Im at work. 我工作时就把儿子留给母亲照看。
junior表示人名时是尤尼奥尔的意思。例句：His son, Arthur Ochs Junior, is expected to succeed him as publisher.他的儿子，小阿瑟·尤尼奥尔，被期望来继承他做出版商。
junior adj. 年轻人的；下级的；n. 年少者；地位较低者；例句：Shes his junior by four years. 她比他小四岁。He dropped out of junior high school. 他初中辍学了。
