Nominalphrase

die vier Wände

four walls, (within one's) own four walls, at home

Ich bin am liebsten in meinen vier Wänden.

I like being within my own four walls the most.

Er arbeitet oft in seinen eigenen vier Wänden.

He often works within his own four walls.

((in+3)) within one's own four walls He likes to be in his own four walls.

Zuhause (at home), daheim (at home), Heim (home)

Literally 'four' ('vier') + 'walls' ('Wänden', dative plural of 'Wand').

This idiom is very similar to the English 'within one's own four walls', referring to the privacy of one's home.

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