唇亡齿寒 (chún wáng chǐ hán) | Meaning: lit. without the lips, the teeth feel the cold (idiom); fig. intimately interdependent | Chinese Idiom with Pinyin & Origin

lit. as close as lips and teeth (idiom); closely related · interdependent唇齿相依chún chǐ xiāng yī

closely bound up (idiom); intimately related息息相关xī xī xiāng guān

(lit.) as the shadow follows the body (idiom) · (fig.) closely associated with each other; inseparable; to follow relentlessly如影随形rú yǐng suí xíng

lit. without the lips, the teeth feel the cold (idiom); fig. intimately interdependent