瓢泼而下

瓢泼而下	piáo pō ér xià	(of rain) to fall heavily
瓢	piáo	dipper / ladle
瓢泼	piáo pō	(of rain) pouring
泼	pō	to splash / to spill / rough and coarse / brutish
而	ér	and / as well as / and so / but (not) / yet (not) / (indicates causal relation) / (indicates change of state) / (indicates contrast)
下	xià	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