What is the idiom for an old man to propose to a girl in her twenties?

shameless

[Interpretation] Yan: face; Face. Thick-skinned; Shameless.

[Language] The Biography of Beishan Literature by Kong Zhixuan in the Southern Dynasties (see Selected Works, Volume 43): "How can you make Du Fang brazen; I am very embarrassed. "

[pronunciation] shame; You can't pronounce "zhǐ".

[shape discrimination] thick; Can't write "after".

Shameless, shameless

Feel ashamed.

[Usage] Used as a word of ridicule or accusation; Just like shameless. It is derogatory. Generally used as object and adverbial.

[Structure] Combined type.

[Discrimination] ~ and "shameless"; They all describe shame; Universal. But ~ the point is "thick skin"; "Shameless" focuses on "indifference".

[example]