Personal means private or individual.
Personal的意思是“私人的，个人的”
Personnel means staff or workforce.
Personnel的意思是“职员，人员”
Personal and Personnel The words personal and personnel sound fairly similar and both derive from the Latin word personalis (meaning personal). However, their meanings are quite different. (Of note, personal is stressed on the first syllable, and personnel is stressed on the last syllable.)
Personal和Personnel这两个词听起来很相似，都源自拉丁词personalis(意为私人的)。然而，它们的意思却截然不同。(需要注意的是，personal重读在第一个音节，personnel重读在最后一个音节。)
Personal /'pɜːs(ə)n(ə)l/
Personal is an adjective that has two main meanings. Generally, it will mean something like private or individual. Sometimes, it describes someone s private business, like when someone says, that s personal instead of answering a question. In this sense, it is a synonym of the adjective private.
Personal是一个形容词，有两个主要的意思。分别是“私人的”和“个人的”。有时候，它用来描述某人的私事。比如某人说，这是私事，就可以避免回答某些问题。在这个意义上，它是形容词private的同义词。
✦ I wish Frances would stop sticking her nose into my personal affairs, said Dr. Hildebraand.
“我希望弗朗西丝不要再管我的私事了，”希尔德布兰说。
Personal can also show possession by an individual. Most people have their own personal toothbrushes that they don t share, for instance.
Personal也可以表示个人拥有（相对于public）。例如，大多数人都有自己的牙刷，他们并不共用。
✦ The CEO will be represented in court by a personal attorney, rather than by a member of the company s legal department.
首席执行官将由一名私人律师出庭，而不是公司法律部门的一名成员。
Personnel /pɜːsə'nel/
Personnel The word personnel is most commonly seen as a noun. Personnel is similar in meaning to staff (i.e., it denotes the people employed in an organisation, business, or service).
Personnel这个词最常用作名词。Personnel的意思与“职员”相似(即:表示受雇于机构、业务或服务的人士)。
✦ We have over 100 personnel working in our company.
我们有超过100名工作人员在我们公司。
✦ The equipment is first rate, but we need more personnel.
设备是一流的，但我们需要更多的人员。
✦ We have a personnel issue. (i.e., a problem with our staff)
我们有个人事问题。(即，我们的员工有问题)
