The word 'sister' has two syllables: sis-ter.
When learning how to think of words in syllables, speak the word and notice when you naturally 'break up' the word.
As examples:
Say the word 'two'. The word 'two' has one syllable. You do not have any natural breaks when you speak it.
Now, say the word 'twofold'. The word 'twofold' has two syllables. You have a natural break in saying two--fold. (the dashes are used here to show there is a break)
Say the word 'will', as in "I will go to bed." Will has no natural breaks.
Now say the word 'willing'. Hear the pause between 'will-' and '-ing'. It has two syllables.
There are seven syllables.
Sister has two syllables. The syllables are sis-ter.
The word 'answer' has 2 syllables. An-swer.
There are four syllables in the word "usually".
There are 2 syllables are in the word advance.
Four
There are seven syllables.
Sister has two syllables. The syllables are sis-ter.
There are three Chinese syllables in the word "syllables."
The word 'answer' has 2 syllables. An-swer.
Sister has two syllables. The syllables are sis-ter.
There are four syllables in the word "usually".
The syllables in the word what is only 1 : "what".
The word has three syllables.
2 syllables in the word weekend
there are two syllables in the word grueling
The word burnol has two syllables. The syllables in the word are bur-nol.