Insane
Jake: Did you hear about Sam’s new job?
Lena: No, what happened?
Jake: He’s moving to a tiny island to work as a diving instructor.
Lena: That’s insane! He doesn’t even like the ocean!
1) very stupid, crazy or dangerous
2) shocking or very impressive
Sam is moving to a tiny island. A tiny island is a small island in the ocean. He wants to work as a diving instructor. You know, he wants to teach and train people how to go deep under the water. That’s a diving instructor’s job. Lena says it’s an insane idea—a crazy idea because Sam doesn’t like the ocean!