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.

Natural language understanding is an important field of artificial intelligence.

The Cultural Revolution is a part of China's history.

The Calopteryx cornelia is a species endemic to Japan, and it has beautiful wings.

I'm sorry, but I don't speak Japanese.

I'm a Muslim, so I fast during Ramadan.

I'm Jewish.