n.试验者；试验物；努力工作者；检验员；审问者

Trier.

n.特里尔(德国城市名)

He's not very good but he's a real trier. 尽管他并不十分出色,但他至少勤勤恳恳地努力去做了。

It is up to the trier of fact, the judge or the jury, to determine how much weight or consideration to give that evidence. 应该由审问者、法官或者陪审团来决定应该给予证据多大的重要性。

Karl Marx was born in Trier, Germany in May 5, 1818. 卡尔·马克思于1818年5月5日出生在德国特里尔城。