名詞 testimonial:

1. something that serves as evidence
   同義詞：testimony
2. something given or done as an expression of esteem
   同義詞：tribute
3. something that recommends (or expresses commendation) of a person or thing as worthy or desirable
   同義詞：recommendation, good word

形容詞 testimonial:

1. expressing admiration or appreciation
2. of or relating to or constituting testimony

1. The boy look for a job have testimonial from his teacher and former employer.
   那個找工作的小伙子有他的老師和以前的雇主的推薦信。
2. She sent a testimonial from her former employer when applying for the post.
   她申請那職位時寄去了前雇主的推薦書。