1. 英英释义：a person who applies for a job or is nominated for election
2. 理解："candidate" 是名词，意思是“候选人、应试者、求职者、人选”，具体意思是取决于上下文。比如jing xuan3总统的人就叫presidential candidate；上完了博士阶段的课程，正在写博士论文的学生一般被叫做doctoral candidate 或 PhD candidate；找工作的也可以叫candidate。
candidate 是个精确、好用的单词，阅读原版杂志和书籍经常可以碰到这个词。
比如，好几个博士候选人都放弃了博士学位，跑到硅谷去创业：
Quite a few PhD candidates gave up their doctoral degree and moved to Silicon Valley to start start-ups.
3. 应用：
1）翻译：人才市场竞争太激烈，僧多粥少。
There are far more candidates than jobs in the competitive market.
2) 造句：
a. 场景：与其他6人一起竞争销售经理一职
b. 句子：He joined the other 6 people as a candidate for the sales manager.
