there are many 4-word proverbs in chinese and china has a game called Idioms solitaire can help you meet more 4-word proverbs ,like 莫名其妙——妙不可言——言不由衷——中庸之道——道路以目—— 目瞪口呆 —— 呆头呆脑

like 疑惑不解，左思右想，患得患失 and so on

爱屋及乌 which is like the English idiom, "Love me, love my dog."

例如，for example. today is so hot! 今天真是热啊！ 今天真是 骄阳似火 啊！

稀里糊涂 xi li hu tu 哈哈哈哈