1.known as 被称为,公认为
例句:He was known as Mad Shelley partly because of his eccentricity and partly because of his violent temper.
大家都叫他“疯子谢利”,部分因为他的古怪,部分因为他火爆的脾气 。
2.top-tier 一流的
例句:Richard Levin's 20 year tenure as Yale's president is far longer than most other presidents of top-tier universities.
理查德·莱文在耶鲁大学任职长达20年,比美国大多数一流大学校长干的时间都要长 。