godan verb (-ru), transitive verb
act afraid; show fear; shrink from
Describes someone visibly showing fear or unease about something, often used when the person's behavior or expression reveals their anxiety.
彼は注射を怖がって、ずっと危ながっている。
He's afraid of injections and keeps acting scared.
犬を見ると、妹はいつも危な
Whenever my sister sees a dog, she shows fear.