with a pregnant meaning
The meaning is profound. Pinyin is y ù y ì sh ē NYU ǎ n, a Chinese idiom, which refers to the deep meaning of sustenance or implied meaning (mostly referring to language or works of Art). It comes from Volume I of the bamboo slips of residence by Shen zuozhi in Song Dynasty.
explain
It refers to the deep meaning of sustenance or implication (mostly referring to language or artistic works).
source
The first volume of Shen zuozhi's "Yujian" in Song Dynasty: "a poem has a far-reaching meaning, which can not be known by later generations."
with a pregnant meaning
unable to get down but dangerous to go on - shì chéng qí hǔ
With its faintness, make people clear - yǐ qí hūn hūn,shǐ rén zhāo zhāo
Cut the rod and uncover the wood - zhǎn gān jiē mù