下水管

drainpipe

down / downwards / below / lower / later / next (week etc) / second (of two parts) / to decline / to go down / to arrive at (a decision, conclusion etc) / measure word to show the frequency of an action

downstream / to go into the water / to put into water / to launch (a ship) / fig. to fall into bad ways / to lead astray / to go to pot

offal / viscera / tripe

surname Shui

water / river / liquid / beverage / additional charges or income / (of clothes) classifier for number of washes

water pipe

variant of 管[guan3]

surname Guan

to take care (of) / to control / to manage / to be in charge of / to look after / to run / to care about / tube / pipe / woodwind / classifier for tube-shaped objects / particle similar to 把[ba3] in 管...叫 constructions / writing brush / (coll.) to / towards