“个人问题”常见的英文表达有 personal issues 或 personal matters。
personal issues:较为常用,强调与个人生活、情感、心理等方面相关的问题。例如:He's been absent from work lately due to some personal issues.(他最近因为一些个人问题而缺勤。)
personal matters:同样表示个人的事务、问题,使用场景也较为广泛。例如:It's inappropriate to ask about her personal matters in public.(在公开场合询问她的个人问题是不合适的 。)