sit idle and enjoy the fruits of others ' work

Scraping sound - chǎn jì xiāo shēng

Dongxiyimian - dōng xi yì miàn

Curly shell - shù gē juàn jiǎ

of intense interest - xìng qù àng rán

Time and substance - lì shí jí wù

time went by - liú nián sì shuǐ

squat on the grass and chat of old times - bān jīng dào jiù

mute - yǒu zuǐ méi shé

pitch camp - ān yíng zhā zhài

in the same camp - dào hé zhì tóng