How much is the mass of this object?

He lifted the big box with both hands.

The region I come from is the countryside.

Once you cross this threshold, a new world unfolds.

This station is called 'Uma no Sumika' in the local dialect.

He tackled the new project with courage.

I'm always impressed by his skillfulness in playing the piano.

His great wisdom and talent moved us all.

I think it's an unforgivable act to abandon a pet.

He abandoned his dog.