How to pronounce “undress”(verb) in English

Wouldn't undress in front of anybody else, and had one testicle.

Next, undressing his little frogs, Spallanzani took a couple of drops of semen from inside their trousers and used it to fertilize some fresh eggs.

Now, I was so rigid, I couldn't even undress myself.

Today, we are among them, here to unsettle each other, to undress beside the piano, elegant and unmistakably his.