Match the idiom on the left with the closest meaning on the right

He was on cloud nine
He was under a cloud
He couldn't see a cloud on the horizon
He lived in cloud-cuckoo land
He thought every cloud has a silver lining
His judgement was clouded
He was over the moon
He wasn't completely trusted
He was completely optimistic about the future
He was an absolute dreamer
He thought nothing was truly bad
He wasn't impartial, or thinking clearly