Guregorio-reki wa genzai, sekai kakkoku de tsukawarete iru rekihō desu.The Gregorian calendar is the calendar system used by every country in the modern world.

Soshite totemo jūyō na koto ga arimasu. Sore wa keichō suru gawa no shisei desu.Then something is very important. That is a commitment to listen carefully.

Kare wa ayashii hito ka shira.I wonder if he's a suspicious person.