help one another in defense work
Watch and help each other, Chinese idiom, Pinyin is sh à UW à ngxi à ngzh à, meaning to deal with the enemy or unexpected disaster, neighboring villages alert each other and help each other. It comes from Mencius Teng Wengong.
The origin of Idioms
In Mencius Teng Wengong Shang written by Zou mengke in the Warring States period, it is said that "the countryside and the well are the same, friends go in and out, help each other by keeping watch, and support each other by disease."
Idiom usage
Example the neighbors should always keep watch and help each other. The fifth chapter of Lu Liang hero biography by Ma Feng
help one another in defense work
when the fullest extent is reached , waxing is definitely followed by waning - yíng zé bì kuī
follow correct opinions or well-intentioned advice like water flowing swiftly and smoothly downward - cóng shàn rú liú
a married couple very much in love - kàng lì qíng shēn