In Japan, the system of different surnames for married couples is not yet recognized.

He is completely unaware of his own stubbornness.

He didn't care at all about her opinion.

I often go fishing on weekends.

This wooden bridge has existed since ancient times.

Please write your name with a marker pen.

He adjusted the position of the hyoid bone to improve the quality of his voice.

He is a renowned political scientist who has written many important papers.

A dorsal sound is a sound that is pronounced by the back of the tongue approaching or touching the palate or pharynx.

He quit his job at the peak of his career.