a question mark over

idiom

: doubt or uncertainty about (something)

Her injured elbow puts a big question mark over her chances in the tournament.

Examples of a question mark over in a Sentence

Recent Examples on the Web

The closer-than-expected outcome placed a question mark over Spain’s future leadership. —Joseph Wilson and Ciarán Giles, The Christian Science Monitor, 24 July 2023

Google has stood firm so far, but the ruling—due to be issued at a hearing on Friday—may test foreign social media platforms’ commitment to free expression and cast a question mark over their future in Hong Kong. —Rachel Cheung, Fortune, 20 July 2023

While its gaze may be swiveling to the mainland, New World’s long-running focus on Hong Kong has meant some of its most costly building projects are coming to fruition just as the wider political uncertainty puts a question mark over the city’s future. —Bruce Einhorn, Bloomberg.com, 23 Sep. 2020

The current imbroglio places a question mark over billions of dollars in deals and is deepening anti-Chinese sentiment in a strategic country along its border. —Washington Post, 24 Feb. 2021

But concerns about climate change put a question mark over the city’s future - until the war. —Emily Rauhala, Anchorage Daily News, 9 Oct. 2022

But concerns about climate change put a question mark over the city’s future — until the war. —Emily Rauhala, Washington Post, 8 Oct. 2022

But if the merger collapses, the company may not be able to secure that funding, hanging a question mark over the valuation of the businesses as well as Trump's stake. —Aimee Picchi, CBS News, 27 Sep. 2022

Chantelle Burton, a senior climate scientist at the Met Office Hadley Centre in the UK, said that there had been a question mark over how the Amazon rainforest would stand up to the challenges of climate change, land-use change and fires. —Katie Hunt, CNN, 7 Mar. 2022