keep a close watch day and night
It's a Chinese idiom. The Pinyin is zh ò UJ ǐ NGM ù x ú n, which means to be on guard. It comes from the stele of Wang Rong, written by Dai Shaoping of Song Dynasty.
Idiom explanation
Guard day and night. The metaphor is closely guarded.
The origin of Idioms
Dai Shaoping, Song Dynasty, wrote in the tablet of Wang Rong's divine way: "we know everything about public affairs. We patrol in the daytime and in the evening, especially in examinations."
Idiom usage
As an object or attributive, a warning day and night
Chinese PinYin : zhòu jǐng mù xún
keep a close watch day and night
to breed calamity for the future. zòng hǔ guī shān
there was no literary or military feat of which he was not capable. wén jīng wǔ wěi
Violence from the top to the bottom. shàng màn xià bào
try to keep away from this world. bì shì lí sú