This is the 15423rd most frequent Korean word.
법이다
"It is the law" or "That's the rule."
The word "법이다" here means "the way or nature" in a general sense, indicating how things tend to happen under certain circumstances.
가난할수록 가족끼리 의지하는 법이다.
People tend to rely on their family more if they are poor.
In this context, "법이다" expresses a norm or expectation, suggesting what is considered appropriate or customary behavior.
친구에게는 솔직하게 이야기하는 법이다.
It's proper to speak honestly to friends.
Here, "법이다" is used to convey a cause-and-effect relationship, indicating an outcome that is generally expected under certain actions.