Treasure is pronounced TREZH-ər (IPA /ˈtrɛʒər/). Short 'e' as in 'bed'; the 's' becomes 'zh' — 'TREZH-er'.
IPA: /ˈtrɛʒər/
Syllables: TREZH · ər
Common ESL mistake: Learners say 'TREE-sure' with a long 'e' vowel.
Tip: Short 'e' as in 'bed'; the 's' becomes 'zh' — 'TREZH-er'.