奔走呼号

wèi jìn zhǐ dì léi bēn zǒu hū háo

为禁止地雷奔走呼号

fervently campaign against the use of landmines

bēn zǒu hū háo wèi zāi mín juān kuǎn

奔走呼号，为灾民捐款

go around trying to raise a relief fund for the victims of the disaster

tā wèi ruò shì qún tǐ bēn zǒu hū háo yíng dé le quán guó de zūn jìng

他为弱势群体奔走呼号，赢得了全国的尊敬。

His doughty campaigns for the underprivileged have earned him national respect.