YOU SAID:

Someone is cutting the grass, and their lawn mower is very loud.

INTO JAPANESE

誰かが草を刈っています、そして彼らの芝刈り機は非常に騒々しいです。

BACK INTO ENGLISH

Someone is mowing the grass, and their mower is very loud.

INTO JAPANESE

誰かが草を刈っています、そして、彼らの芝刈り機は非常に騒々しいです。

BACK INTO ENGLISH

Someone is mowing the grass, and their mower is very loud.