Three winters and two summers

be helpless and in the greatest straits - jì qióng lǜ jí

what is done cannot be undone - mù yǐ chéng zhōu

set an example by personally taking part - shēn tǐ lì xíng

bright moon and cool breeze - lǎng yuè qīng fēng

Out of sludge but not contaminated - chū wū ní ér bù rǎn

with due respect - yǐ lǐ xiāng dài

extremely clever and bright - qiān líng bǎi lì

There is no end to it - tài bú bù wán

of great ingenuity - dà jiā fēng fàn

display only a small part of one 's talent - xiǎo shì fēng máng