wear one 's heart on one 's sleeve
The Chinese idiom, Pinyin is x ī nzh í Zu ǐ Ku à I, which means to be frank and straightforward. From Chapter 32 of a dream of Red Mansions by Cao Xueqin in Qing Dynasty.
Source: Chapter 32 of Cao Xueqin's a dream of Red Mansions in Qing Dynasty: "Miss Yun, now you are older, you are more straightforward."
Used as predicate, attribute, adverbial; refers to a person's character
wear one 's heart on one 's sleeve
Prosperity always leads to failure - shèng bì lǜ shuāi
A trickle of water makes a river - juān dī chéng hé