rack one's brains for ingenious devices

correct evil doings and revert to good deeds - gǎi xíng qiān shàn

Borrow books to keep true - jiè shū liú zhēn

Listen to the fox - hú tīng zhī shēng

Count Donggua and daoeggplant - shǔ dōng guā，dào qié zǐ

sing merrily and dance gracefully - qīng gē màn wǔ

attachment to the things and people related to a loved one - wū wū zhī ài

The dragonfly - lóng xiāng huò qū

The former planted trees, the latter enjoyed the cool - qián rén zhòng shù，hòu rén chéng liáng

Empty room makes white - xū shì shēng bái

polish painstakingly - diāo gān lòu shèn