under a cloud

Prepositional phrase

1. (idiomatic) Of an uncertain future due to an anticipated threat or change in circumstance.
   • First Kings 9:10-10:29 brings us back to see the glory of this empire. It is glory that must now be seen with respect to 8:22-53 and 9:1-9. It is therefore glory under a cloud, destined to fade away.2012, Iain W. Provan, 1 & 2 Kings, Understanding the Bible Commentary Series, unnumbered page
2. (idiomatic) Under suspicion; subject to critical inspection.
   • A man accused of a crime is entitled to a speedy trial, not merely because he is under a personal restraint, but also because his reputation is under a cloud, as long as the criminal accusation remains undisposed of.1900, Christopher Gustavus Tiedeman, A Treatise on State and Federal Control of Persons and Property in the United States, Considered from Both a Civil and Criminal Standpoint, volume 1, published...
   • “The department feels it's got to suspend any cop who's under a cloud if they're going to maintain public faith in the system.[…]"2006, Eliot Sefrin, Under a Cloud, page 233
3. (idiomatic) In or into controversial circumstances.
   • The enlarged Chilean navy was placed under the command of dashing Lord Cochrane, a very distinguished admiral of the British Royal Navy, then under a cloud at home, who took service under the Chilean flag,[…].1900, C.S. Walton, The Civil Law in Spain and Spanish-America, page 13
   • “Did she resign?” Cherry asked.
     “No, Dr. Fairall fired her. Zelda left here under a cloud. Sort of mysterious. I never found out exactly."1966, Helen Wells, Cherry Ames: The Mystery in the Doctor's Office, page 67