窺 is a kanji that is not found in surnames.

Mr. Ishizuki likes to climb mountains.

I added antifreeze to the car engine to prevent it from cooling down.

Her thighs are muscular and look very strong.

She is a beautiful woman with distinctive thick eyebrows.

He was immersed in music.

He can speak four languages.

My family consists of four people.

He was born fourth among the quadruplets.

April is the season of spring.