You can't it only has one syllable.
'Juice' has one syllable.
Daybreak has two syllables. The syllables are day-break.
There are three syllables. Break-a-ble.
One.
You can break any combination of words into syllables. There are three syllables in 'good morning': Good-mor-ning.
There are 2 syllables. Fold-ed.
There are two syllables. Ham-mock.
The word whistle has two syllables. The syllables in the word are whist-le.
There are two syllables. Hik-ing.
There are two syllables. Bail-iffs.
There are two syllables like so: on-to.
Breakfast has two syllables. Break-fast.