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.

He likes to learn new words.

He is good at speaking Spanish.

He can speak Japanese fluently.

He is the type of person who thinks it's a moonlit night if it's bright, so he only has a one-sided perspective.

He thought deeply and said, 'I think, therefore I am.'

He understands the meaning of the proverb 'Teaching is half learning', which means that teaching leads to one's own learning.