He is not my friend, just an acquaintance.

He is truly a person with a strong core.

This food is preserved in a vacuum.

He is researching artificial humans.

Please add a little vinegar to this salad.

He adjusted the board to be horizontal.

I was surprised by his audacious attitude.

I want to go on a trip abroad at least once.

This lemon is very sour.

This picture is drawn with ink.