petition sb to do sth Parents have petitioned the council to keep the school open. 家长们请求理事会把学校继续开办下去。

+against/for We intend to petition for a change in the law. 我们打算要求更改法律。

+for Mrs Hall announced that she was petitioning for a divorce. 霍尔夫人宣布她正在提出离婚诉讼。