It failed to warn of Russia's ability to build an atomic, and later a nuclear, bomb.

He failed to warn me that we were coming around the full 360 degrees.

The soldier's vodka-soaked brain failed to warn him that he was in danger.

The opposite problem - failing to warn about preparations for an outbreak - occurred in 2001.

The question is who failed to warn the sentries of the impending attack.

He said the company failed to warn anybody of the possibility that it could pollute the drinking water.

As for whether the contractors failed to warn the government of potential dangers, he said, the situation may well be the other way around.

Her brother, if he knew about the headlight but failed to warn her, I said.

I would not like myself much anymore if something happened because I failed to warn them.

He also claims that the judge failed to warn him of that risk, as required by law.