being the legal owner of land, a job, or an official public position, or the period of time during which you own it占有;使用权;使用期;任期;保有期
During his tenure as dean, he had a real influence on the students.他在当教务长期间,对学生们影响很大。
the right to remain permanently in a job终身职位
She is one of the few people in the English Department who has tenure.她是英语系少数几个获得了终身职位的讲师之一。
professors (= those likely to get tenure) who don't publish enough work may not be offered tenure.有机会获得终身职位的教授如果发表数量不足,可能不会给予终身职位。