己任

yǐ gǎi biàn gù xiāng de luò hòu wéi jǐ rèn

以改变故乡的落后为己任

regard changing the backward appearance of one's hometown as one's duty

zhè pī qīng nián yǐ jiàn shè biān jiāng wéi jǐ rèn

这批青年以建设边疆为己任。

These young people regard the construction of the borderland as their duty.

yǐ fā zhǎn jīng jì wéi jǐ rèn

以发展经济为己任

regard the economic development as one's duty

tā yǐ tiān xià wéi jǐ rèn

他以天下为己任。

He regards national affairs as his own.

tā yǐ liǎo jiě gù kè wéi jǐ rèn

她以了解顾客为己任。

She made it her jobs to get to know the customers.