This is the 4988th most frequent Korean word.
금지된다
"금지된다" means "to be prohibited" in English.
In this sentence, 금지된다 is used to indicate that an action (smoking) is prohibited or forbidden by law or regulation.
이 지역에서는 흡연이 금지된다.
Smoking is prohibited in this area.
Here, 금지된다 specifies the prohibition of using mobile phones within a particular setting, showing a rule or restriction.
학교에서는 휴대폰 사용이 금지된다.
Using mobile phones is prohibited in schools.
In this case, 금지된다 conveys the restriction against a particular behavior (speaking loudly) in a designated area to maintain order.