mend bridges and repair roads

Abandon one's way - qì dào rèn shù

Disgrace oneself - rǔ shēn bài míng

Dog and horse - quǎn mǎ zhī yǎng

the goddess of the moon - yuè lǐ cháng é

a nobleman makes his tour in disguise - bái lóng yú fú

Pearl collection - yùn dú cáng zhū

Play the fool - zhuāng fēng zuò shǎ

There are few people on the road - lù jué rén xī

spend one 's life in fruitless efforts - suì yuè cuō tuó

go into the whys and wherefores of it - zhuī gēn jiū dǐ