在形容某人是 under a cloud 的時候意思是此人受到別人的懷疑，認為此人做了什麼錯事或被捲入了非法活動。
After 20 years at the company, Simon left suddenly under a cloud.
Money was stolen from Jane's desk and now everyone is under a cloud of suspicion.
另一個短語 to be on cloud nine 意思是對剛剛發生的事情感到心滿意足，非常高興。
The team were on cloud nine after they won the match and the tournament.