sticking point

Curbs on the use of generative AI became a sticking point in the historic 2023 strikes by actors and writers.

This is my one sticking point with writers taking readers to hell.

Even though "many points were agreed to", he said, "a few" remain, adding that "one is the most significant" - without specifying what that key sticking point was.

The sticking point, the Swiss government says now, is the trade deficit it has with the US.

Hamas accused the Israeli side of intransigence over key sticking points in the negotiations.