He was born as an illegitimate child and experienced many difficulties.

My grandfather used to till his privately-owned rice field.

He holds a personal grudge against me.

Using the private railway makes commuting very convenient.

By learning Pinyin, you can accurately understand the pronunciation of Chinese.

Velar sounds occur when the back of the tongue contacts the soft palate.

A lingual sound is a sound that uses the tongue when pronouncing.

Plosive sounds play an important role in linguistics.

This noise is interfering with my studies.

In phonetics, an obstruent is a sound that obstructs the airflow.