tay-goo-see-GAHL-pa
Here's a breakdown:
* tay - like the "tay" in "stay"
* goo - like the "goo" in "good"
* see - like the "see" in "see"
* GAHL - like the "gal" in "gallon", but with a slightly stronger emphasis on the "L" sound
* pa - like the "pa" in "pa"
It's important to note that the stress is on the fourth syllable (GAHL).