A trained dog can act as a guide to a blind person.

经过训练的狗能担任盲人的向导。

《新英汉大辞典》

A trained dog can act as a guide to a blind man.

经过训练的狗可以给盲人充当向导。

youdao

A trained dog can act as a guide to a blind man.

经过训练的犬可以充当盲人的向导。

youdao

John Grogan wrote that he briefly considered the possibility that his dog could be trained to be a show champion.

VOA: special.2009.02.23

"But then it became so affecting and really important as far as recognizing a wounded veteran like Bill Campbell and the dog that really has saved him and the inmate that trained the dog.

VOA: standard.2010.05.18

Glenn Close says when she learned that Sgt.Bill Campbell - the first veteran to receive a Dog Tag dog - was returning to the prison to meet the inmate who trained Pax, she had to capture that moment.

VOA: standard.2010.05.18

Fido is the first sensor that can detect TNT and other explosives with the same success as a trained dog.

FORBES: A Nose For Bombs

"A well-trained dog and a very good, well-trained handler can find explosives with little or no false alarms, " Beltz said.

CNN: Are dogs the key to bomb detection at airports?

So doctors gave him a specially trained dog that can sense when an attack was coming on.

CENTERFORSECURITYPOLICY: "The 'Buck' stops here" on defense cuts