A nasal vowel refers to a vowel that is pronounced through the nasal cavity.

I have started learning Traditional Chinese.

I am learning Simplified Chinese.

He said, 'Misery of life starts at literacy,' and spoke about the hardships of learning.

A voiced consonant is a consonant that involves the vibration of the vocal cords.

He is deeply studying the teachings of Prajnaparamita.

He started a new business, but as the proverb 'the road to happiness is strewn with setbacks' suggests, he is facing many difficulties.

A back vowel is a sound where the back of the tongue approaches the palate.

Back vowels are vowels that are pronounced using the back of the tongue.

A central vowel is a vowel that is pronounced in the central part of the tongue.