Melancholy is pronounced MEL-ən-kol-ee (IPA /ˈmɛlənkɒli/). The 'ch' is hard /k/; stress 'MEL' at the start.
IPA: /ˈmɛlənkɒli/
Syllables: MEL · ən · kol · ee
Common ESL mistake: Learners say 'mel-an-CHOL-ee' with a soft 'ch' as in 'chair'.
Tip: The 'ch' is hard /k/; stress 'MEL' at the start.