What does the word "keep out the cold" mean when combined?

Lexical analysis

Education means training and teaching: moral education. Intellectual education. Sports. Aesthetic education.

John: Long and hard feathers: Li Pian Han Zhen. Borrow a brush and words, letters, etc. : Hanyuan. Mohan Chinese jujube.

Idiom interpretation

Zuo Caiyu of Guoxing Fish

The pen is like a stream, and the writing is like dye.

Tang poem Song jambic verse

Qi is in the pavilion, and martial arts leak Sina. -Du Fu's chicken

Or, like Ben Lun, the courage to buy after winning the bet. -Han Yu's Nanshan Poetry

Clouds have gone and never returned, and I hope to see you in Chang' an in the future. -Wang Luobin's "Two Hard to Walk from the Army"

Yang Xiaoxie Han Yi, the journey is tiring. -Zhang Jiuling's "Sitting in the Morning and Singing"