Choir is pronounced KWAI-ər (IPA /ˈkwaɪər/). Treat 'ch' as a hard 'kw' — it sounds just like 'quire'.
IPA: /ˈkwaɪər/
Syllables: KWAI · ər
Common ESL mistake: Learners pronounce 'ch' as /tʃ/ saying 'choi-er' instead of /kw/.
Tip: Treat 'ch' as a hard 'kw' — it sounds just like 'quire'.