

大きな声を出して、子どもを怯えさせないでください。
雷の音が犬を怯えさせたようです。
怖い話をして、妹を怯えさせてしまいました。
"おびえさせる(怯えさせる)" is in the lesson "Verbs 7" (Level 19), along with 11 other useful words. LinDuo has 180 topic lessons like this one, 2,379 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.