Listening to the voice of the evening cicadas in the park, I felt the end of summer.

He is a perfectionist, and his approach to work is very strict.

This programming language is said to be Turing complete.

His performance was perfect and without blemish.

In mathematics, a perfect number refers to a number where the sum of its divisors, excluding the number itself, equals the number.

This fish is completely farmed, and no capture is done in the natural environment.

He is immersed in the study of panmagic squares.

He acted according to my instructions one by one.

I went to see a movie by myself.

The first day of the month is the beginning of a new month.