Naohiro is my best friend.

He wrote his name using the character for 'work'.

He answered in a disconcerted manner to the sudden question.

Kou is always tackling everything with a high-spirited attitude.

This room is very cramped.

This road is very narrow.

Where is the lid for this pot?

This chemical reaction is in equilibrium.

He crossed the border and fled to the neighboring country.

I used an optical microscope for an experiment at school.