"his head was in the clouds"
"the only cloud on the horizon was the possibility of dissent by the French"
"after that mistake he was under a cloud"
"a swarm of insects obscured the light" "clouds of blossoms" "it discharged a cloud of spores"
"Fall weather often overcasts our beaches"
"The stars are obscured by the clouds" "the big elm tree obscures our view of the valley"
"The smoke clouded above the houses"
"Their faces were clouded with sadness"
"sully someone's reputation"
"the stroke clouded memories of her youth"
"The chemical clouded the liquid to which it was added"
误 Can you see the plane flying in clouds?
正 Can you see the plane flying in the clouds?
析 in the clouds可表示“在高空中飞”, the不可以省略。