Say it proud

Learned in broadcast J classes once upon a time: if you don't know how to pronounce a word, say it loud! That is, make it sound like you know what you're saying even if you have no clue.

A different tactic is now offered by Howjsay.com a mouse-overable sound directory to at least 89,258 English words.

Link: English Pronouncing Dictionary with Instant Sound Free Online