all of a sudden

“You’re certainly very curious all of a sudden,” Mom said as she put her hand on my forehead the way she does when I’m sick.

He added: "Now, the mood is very different, and all of a sudden everyone is looking up the table and thinking now they are only one win from getting out of the relegation zone."

Then all of a sudden comes, I don’t feel as content.

I got to be a top guy all of a sudden.

“If the Canadian government thinks it’s going to all of a sudden do a big deal with China, it should think again,” Clow said.