Since that's his own concern, we better not interfere.

My grandmother is good at playing the Nagoya harp.

He is working on a new project at the workbench.

He remembered the proverb 'A capable hawk hides its talons' and modestly showed his talent.

He is acting in a way that is like 'hide the head but forget the tail'.

She described the pain of a broken heart as tears.

I don't know a thing about him.

He emphasized his belief by saying, 'I believe in order to understand.'

My mother does the scrubbing and washing every day to keep the house clean.

My mother does tough scrubbing and washing every day.