四

巴三览四

bā sān lǎn sì

to talk about this and that (idiom); to ramble incoherently

连三并四

lián sān bìng sì

one after the other

周四

zhōu sì

Thursday

闰四月，吃树叶

rùn sì yuè , chī shù yè

an intercalary fourth month brings food shortages

杂剧四大家

zá jù sì dà jiā

Four Great Yuan Dramatists, namely: Guan Hanqing 關漢卿|关汉卿[Guan1 Han4 qing1], Zheng Guangzu 鄭光祖|郑光祖[Zheng4 Guang1 zu3], Ma Zhiyuan 馬致遠|马致远[Ma3 Zhi4 yuan3] and Bai Pu 白樸|白朴[Bai2 Pu3]

头脑简单四肢发达

tóu nǎo jiǎn dān sì zhī fā dá

all brawn no brains

颠三倒四

diān sān dǎo sì

confused

飞沫四溅

fēi mò sì jiàn

to spray in all directions

魅力四射

mèi lì sì shè

glamorous; charming; seductive

一年四季

yī nián sì jì

all year round

一部二十四史，不知从何说起

yī bù èr shí sì shǐ , bù zhī cóng hé shuō qǐ

It's a long and intricate story, I hardly know where to start.

七政四余

qī zhèng sì yú

seven heavenly bodies and four imaginary stars (in astrology and feng shui)