You are concerned for good reason: Your teenager is often online and seems oblivious to the dangers. You can teach your teenager Internet safety.
فتقلق ولسبب وجيه طبعا ،‏ اذ غالبا ما يتصفَّح ولدك المراهق الانترنت وهو لا يعي انه في وجه المدفع .‏