ˈxvala
Here's a breakdown:
* ˈ - primary stress on the first syllable
* x - a voiceless postalveolar fricative, similar to the "ch" sound in "loch" or the "j" sound in "German"
* v - a voiced labiodental fricative, similar to the "v" sound in "vine"
* a - an open vowel, similar to the "a" sound in "father"
* la - the "l" sound is similar to English, and the "a" sound is the same as the previous "a"
Therefore, the pronunciation of "hvala" in English sounds approximately like "hva-la".