warn of

• Then a sudden shift in the wind warned of the coming storm
  后来风向的突然转变预示着风暴即将来临。
• A sign in the side road warns of the bus lane in the major road
  小路上的标志。提示有巴士在大路上。
• Advance warning of no through road on right
  右边道路不通
• Suddenly , a sign flashed past , warning of approaching curves
  突然，一个路标一闪而过，警告前面有弯道。
• Advance warning of no through road on left
  左边道路不通
• Local peasants have been warned of the possible fold this year
  7已经告诫本地农民，今年有可能发生水灾。
• Warned of the danger , he still went skating on the thin ice
  尽管警告他在薄冰上滑冰有危险，但他还是继续滑。
• Discussion of two major difficult problems on early warning of financial crisis
  论财务危机预警研究的两大难题
• But many of the speakers warned of the fragility of the world order
  但是，很多发言人都警告说，世界秩序很脆弱。