名词

1. 污水管;下水道;阴沟
A sewer is a large underground channel that carries waste matter and rain water away, usually to a place where it is treated and made harmless.

1. a waste pipe that carries away sewage or surface water

Synonym: seweragecloaca

2. someone who sews

e.g. a sewer of fine gowns

3. misfortune resulting in lost effort or money

e.g. his career was in the gutter
all that work went down the sewer
pensions are in the toilet

Synonym: guttertoilet