" Why don’t you purchase an Italian dictionary? I will assume the expense.”
“I have one,” she said, “but I don’t think it’s very good. Half the words are missing.”
“Half?”
“Well, some,” she amended. “But truly, that’s not the problem.”
He blinked, waiting for her to continue.
She did. Of course. “I don’t think Italian is the author’s native tongue,” she said.
“The author of the dictionary?” he queried.
“Yes. It’s not terribly idiomatic. "

― Julia Quinn , It's in His Kiss (Bridgertons, #7)