Probably is pronounced PROB-əb-lee (IPA /ˈprɑːbəbli/). Keep three syllables — 'PROB-uh-blee'; pronounce the second 'b' lightly.
IPA: /ˈprɑːbəbli/
Syllables: PROB · əb · lee
Common ESL mistake: Learners say 'pro-BLEE' dropping the middle syllable entirely.
Tip: Keep three syllables — 'PROB-uh-blee'; pronounce the second 'b' lightly.