a question mark hang over something

US /ə ˈkwes.tʃən mɑːrk hæŋ ˈoʊ.vər ˈsʌm.θɪŋ/
UK /ə ˈkwes.tʃən mɑːrk hæŋ ˈoʊ.vər ˈsʌm.θɪŋ/
"a question mark hang over something" picture
1.

un point d'interrogation plane sur quelque chose, doute sur quelque chose

a feeling of doubt or uncertainty about something

:
A question mark hangs over the future of the company.
Un point d'interrogation plane sur l'avenir de l'entreprise.
His involvement in the scandal still has a question mark hanging over it.
Son implication dans le scandale a toujours un point d'interrogation qui plane sur elle.