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he fell with a moan

Stop moaning, would you?

moan at

He likes nothing better than to moan.

Jeremy moaned in pain after he tripped and broke his ankle.

we were drinking tea haveing a moan about the politicians

He moaned with ​pain before ​losing ​consciousness.

if you moan about someone or something, you complain about them in a very unhappy way

I was in such pain, I just lay in bed moaning.

If I were you, I'll pick up the pieces and stop only moaning.

It was one long moan, without taking breath.

The man next to me moaned, and turned his head.

I wanna hear the whole story again without all that annoying moaning

The moaning of the man with the broken arm

Too little lift means a drone will moan and groan and crash, or maybe never get airborne at all.