TLAHCH-tlee
Here's a breakdown:
* TLAH: The "T" sound is similar to the "ch" in "church" or "Bach."
* CH: The "CH" sound is similar to the "ch" in "chair" or "much."
* tlee: The "tlee" is pronounced with a short "e" sound, like the "e" in "bed."
So, the whole word is pronounced with a strong emphasis on the first syllable.