We have no meanings for "testifying on behalf" in our records yet.
1 She reminded him of all the flak she had taken for testifying on behalf of his sister.
2 The trial, which began in late July, has seen a procession of executives, designers and patent experts testifying on behalf of the U.S. company.
3 She spoke smilingly, for the leaven of the New York manner was working, but she could not refrain from testifying on behalf of righteousness.
4 They were testifying on behalf of Dr Michael Shine (72), who is on trial for allegedly indecently assaulting six teenage boys between 1974 and 1982.
Grammar, pronunciation and more
This collocation consists of: