What idioms begin with the word blue?

1, Lan Qing Mandarin [lán qěng guān Huà]: formerly known as Beijing dialect, with different accents. Lan Qing, this metaphor is not pure.

2. Lantian Yu Sheng [lán tián shēng yù]: Lantian: Shanming, located in the southeast of Lantian County, Shaanxi Province, was rich in beautiful jade in ancient times. Lantian produces beautiful jade. Metaphor is a noble son. Also known as "lantian jade".

3. lantian jade [lán tián chū yù]: Metaphorically, a noble family produces handsome children.

4. Planting jade in Lantian [Lá [lán tián zhǒng yù]]: It means that Yang Boyong planted jade in the endless mountains of Lantian and got a beautiful marriage. Later, it was used to describe that both men and women got a satisfactory and beautiful marriage.