They cleaned upstairs, downstairs, inside, outside, until everything was clean.

他们把楼上、楼下、里面、外面打扫得干干净净。

youdao

The choreographed comings and goings of a phalanx of mobcapped young chambermaids are less a matter of upstairs-downstairs than of inside-outside: what do they know, and whom are they likely to tell?

NEWYORKER: Gabrielle