In food science, greening is one of the phenomena that degrade the quality of food.

This apple has completely turned green.

She suddenly changed her personality, surprising everyone.

He hit a jackpot at the pachinko.

He made a strange face and made everyone laugh.

He is good at using irregular verbs.

The fact that he likes that movie is truly a case of 'there's no accounting for taste'.

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

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

Using the private railway makes commuting very convenient.