“个人经历”常见的英文表达是 personal experience。
例句：
Sharing personal experiences can help us connect with others on a deeper level.（分享个人经历能帮助我们与他人建立更深层次的联系。）
His personal experience as an entrepreneur inspired many young people.（他作为企业家的个人经历激励了许多年轻人。 ）