His countenance was very bright.

He experienced that suffering in a fleeting moment.

He is always a person who acts with consideration for people.

His plan fell right into just as someone planned.

He attended the party wearing a mask.

Please press the power on button.

I cut the vegetables with a new cutting board.

Please tell me the meaning of 'yokire'.

This problem requires the calculation of the tangent.

She gave birth by cesarean section.