The people of the town were warned of the danger of flooding.

该镇居民被警告有洪水危险。

youdao

Although we were warned of the dreadful bite of the Rat, most of us were not prepared at all for the upheavals and nerve-racking crises that shook the world in 2008.

我们都知道让鼠咬之可怕，但2008年带来剧变、叫人伤神的世界危机是多数人始料不及的。

youdao

Residents were warned not to be extravagant with water, in view of the low rainfall this year.

鉴于今年降雨量少，居民被告诫不得浪费用水。

《牛津词典》

During this period,many experts warned of mass starvation in the developing world where populations were expanding faster than crop production.

VOA: special.2009.11.10

Naysayers warned of a catastrophic flood should the dam break, but amid the prosperity, the warnings were ignored.

VOA: standard.2010.04.26

The skies above large parts of Europe were empty for a second day Friday, as air safety authorities warned that the cloud of ash from Iceland's volcano is spreading.

VOA: standard.2010.04.16

"This summer over 100, 000 households were warned of potential flooding thanks to our warning service, giving people essential time to protect their homes and possessions, " he added.

BBC: Bristol flash mob aims to increase flood alert users

They were warned of a problem in 2004.

FORBES: Bad Diligence? Malpractice? Or Just Chutzpah?

In close to 75% of cases, hacktivist targets were warned ahead of time that they would face an attack, a tactic that rarely if ever is used by financially-motivated hackers.

FORBES: Verizon Study Confirms 2011 Was The Year Of Anonymous, With 100 Million Users' Data Breached By Hacktivists