at the worst

While he had been present for much of the overnight session to pass the bill, he apparently nodded off at the worst possible time.

"We're one of the most nature-depleted countries in the world and wildfires every spring at the worst possible time is a burden that wildlife and the environment just can't cope with."

The worst case had caught up to USC, at the worst time.

People prayed and wept worldwide, not just because of his declining health but because it was coming at the worst time possible.

“To deal with that at the worst moment of my life, like the scariest, most upsetting, saddening moment of my life,” she said.