1 a post

2 a job

1 surname Lou

1 downstairs

1 stair

2 staircase

3 classifier: 个 gè

1 A Dream of Red Mansions (first completed edition 1791) by Cao Xueqin 曹雪芹[Cáo Xuě qín], one of the four great novels

1 the people are gone and the place is empty (idiom)

2 the sight of a deserted place brings old friends to mind

3 the place is deserted

4 the birds have flown

1 both covert and undercover (officers) keeping watch (idiom)

1 bejeweled jade palace (idiom); sumptuous dwelling

1 pavilion in the air (idiom); unrealistic Utopian construction

2 castles in Spain

3 imaginary future plans

1 towering buildings are built up from the ground (idiom)

2 great oaks from little acorns grow