YOU SAID:

Better be in your class at the sound of the bell

INTO JAPANESE

鐘の音でクラスに参加した方が良い

BACK INTO ENGLISH

It is better to join the class with the sound of a bell

INTO JAPANESE

ベルの音でクラスに参加する方が良い

BACK INTO ENGLISH

It is better to join the class with the sound of a bell