"老图书管理员" 的英文表达是 "Veteran Librarian" 。
"Veteran" 是指有经验的或是老手，而 "pbrarian" 则是图书馆管理员的意思。因此 "Veteran Librarian" 的意思就是指有经验的图书馆管理员。
例句：
"Ms. Smith has been working as a pbrarian for over 30 years, she is a veteran pbrarian." (史密斯女士已经当图书馆管理员工作了30多年，她是一位老图书管理员。)
"The veteran pbrarian was able to find the book I was looking for in a matter of minutes." (这位老图书管理员能在几分钟之内找到我要的书。)