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 take a walk in the park at dusk.

I love eating snacks.

Every morning, he has a habit of reciting the Heart Sutra.

His curiosity always drives him to learn new things.

I was diagnosed with fatty heart by the doctor.

Please teach me how to calculate the circumcenter of this triangle.