a formal written statement, often by a former employer, about somebody’s abilities, qualities and character; a formal written statement about the quality of something 证明信；介绍信；推荐信 a thing that you give or do to show that you admire and appreciate somebody 感谢信；纪念品；奖品；奖状 a testimonial game (= to raise money for a particular player) 纪念赛（为某位运动员筹款） He attended a testimonial dinner in his honour. 他参加了为他举行的纪念晚宴。
Word Originlate Middle English: from Old French testimonial ‘testifying, serving as evidence’, from late Latin testimonialis, from Latin testimonium, from testis ‘a witness’.