"warn about" in Chinese (Traditional)
警告提醒（關於）
Definition
告訴某人可能的危險、問題或壞事，好讓他們小心或避免發生。
Usage Notes (Chinese (Traditional))
“warn about”後面通常加警告內容（危險、問題等）。常用於正式和書面語。不要和'warn against'（勸阻做某事）混淆。常見搭配如“warn about the risks”。
Examples
She warned about the storm coming tonight.
她**警告**今晚會有暴風雨。
The doctor warned about eating too much sugar.
醫生**提醒**不要喫太多糖。
The news warned about road closures tomorrow.
新聞**提醒**明天道路封閉。
My friends always warn me about scams online.
我的朋友們總是**提醒我注意**網路詐騙。
Nobody warned us about the traffic, so we arrived late.
沒有人**提醒我們**交通狀況，所以我們遲到了。
If you see something strange, make sure to warn others about it.
如果你看到異常情況，記得**提醒其他人注意**。