hòu​yuàn

backyard

后院 (後院) hòu​yuàn
backyard noun
the physical yard or garden area located at the rear of a building

The children are playing in the backyard.

base area noun
a figurative sphere of influence, domestic base, or rear area of operations

He was worried that internal conflicts would affect his business on the front line.

Frequency

Movie subtitles
11.2 per million appears in 5% of films
Written text
3.13 per million

Sources

Definitions
CC-CEDICT