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.

I am interested in the culture of China.

In my school, there are national language classes every day.

He was elected president of the republic.

He is studying about the ancient kingdom.

He thoroughly researched the history of that nation.

He has experience living in a foreign country.