YOU SAID:

lawson is very stupid and has many bad grades

INTO JAPANESE

ローソンはとてもバカで成績が悪い人が多い

BACK INTO ENGLISH

Many people at Lawson are very stupid and have poor grades.

INTO JAPANESE

ローソンにはバカで成績が悪い人が多い。

BACK INTO ENGLISH

There are a lot of people at Lawson who are stupid and have poor grades.

INTO JAPANESE

ローソンにはバカで成績が悪い人が多い。

BACK INTO ENGLISH

There are a lot of people at Lawson who are stupid and have poor grades.