Pillow block
Xi Xin Zhen Kuai, a Chinese idiom, Pinyin is x í x ī nzh ě Nku à I, which means that in the old days, mourners used firewood as a mat and clay as a pillow to show their grief. From Xunzi · Li Lun.
The origin of Idioms
Xunzi · Li Lun, written by Zhao Xun Kuang in the Warring States period, said: "it belongs to CI Yilu, and it is a feeling of good fortune, bad fortune and happiness, and it reaches the people who live there."
Idiom usage
Used as an object or attribute; used in dealing with affairs.
Pillow block
generous outside but scheming inside - wài kuān nèi shēn
live at the mercy of the elements - kào tiān chī fàn