Employees in some companies must have a good command of foreign language, so the interviewer will ask you about your language abilities.
一些公司的员工必须需要精通外语，所以面试官会问你这个问题。
Basically, the interviewer wants to find out quickly if you are the kind of person who would be a good fit for the company and the specific position that is open.
实际上，面试官就是想尽快知道你是否适合这个职位，是否适合在公司工作。