speak in tongues

He was trying to speak to me in our tongue.

The man spoke to the couple in a foreign tongue.

He had been watching her speak in a foreign tongue with the three strange men.

"I am proud of being able to speak to him in his own tongue."

He didn't speak in her tongue anymore, but only his own.

There seems to be such a complex about speaking in their own tongue.

Both women simply looked at him as if he'd started speaking in tongues.

He gave me a look like I was speaking in tongues.

He turned and looked at me as if I were speaking in tongues.

She stared at him as though he had started speaking in a foreign tongue.