How to pronounce“frostbitten”in English

And his hands were so badly frostbitten that he had to return to England.

Napoleon led his depleted, starving, and frostbitten army westward to Poland.

Some of them were hypothermic, some of them were frostbitten, some were both.

So he was completely lucid, but he was very severely frostbitten.

The source says he didn't wear the proper footwear, and as a result, his feet were frostbitten.