My teacher agreed to be a characterwitness for me in court.
我的老师同意出庭做我的品德信誉见证人。
《牛津词典》
2
I've been witness to the character of the people of America, who have shown calm in times of danger, compassion for one another, and toughness for the long haul.
我本人是美国人民性格的见证人之一，在危险面前能够保持镇定，能够对他人保持宽容，能够长久保持决心。
3
He was also able to produce a crucial witness to her character, Mr Clarkson, a tradesman in Great Russell Street; she had previously worked for his family, and he was willing to do his best for her.