Be careful
As a Chinese idiom, Pinyin is Qi á nx ī nd í L ǜ, which means concentration. It comes from Erwen's theory and its brief biography.
allusion
It's from Liang Qichao's the theory and biography of Erwen, the forefather of Tianyan studies: "in 1942, he went to London and lived in a village near Jingte province. He held back the worldly customs and absorbed himself. He collected the materials and new theories he had learned in five years' navigation, tidied them up and trained them."
Be careful
solicit help from potential backers high and low - zuān tóu mì fèng
his hands respond with delicacy to whatever the mind directs - xīn shǒu xiāng yìng
all the stars twinkled around the bright moon - zhòng xīng gǒng běi