not to know chalk from cheese

full of difficult and unpronounceable words - jié qū áo yá

Round top square toe - yuán dǐng fāng zhǐ

be - zá luàn wú zhāng

ingrained - gēn láo dì gù

Water over duck's back - shuǐ guò yā bèi

a small vessel is easily filled - qì xiǎo yì yíng

Zunyan Zhaoxiang - zūn yàn zhào xiáng

Be alert - shén sǒng xīn tì

as blind as a beetle - dōng āi xī zhuàng

Building along the road - dào bàng zhī zhù