warn是什么意思？

Leigh Thompson of Kellogg School of Management in Illinois warns that, Teams are not always the answer—teams may provide insight, creativity and knowledge in a way that a person working independently cannot; but teamwork may also lead to confusion, delay and poor decision-making.

The report warns that 200 million poor workers are at risk of joining the ranks of people living on less than two dollars per day in the past three years.

SimpliSafe's device can send a warning to the house owner's cellphone.

Gamification is not a magic bullet, Werbach warns.

Why do so many Americans eat tons of processed food, the stuff that is correctly called junk ( ' , 垃圾 ) and should really carry warning labels? It's not because fresh ingredients are hard to come by.

The enemy fled, believing the sounds to be the warning voicesof angels.

The other measures include restricting portion sizes, taxing and prohibiting special price deals for junk foods, and placing warning labels on the products.

Just when you had figured out how to manage fat in your diet, researchers are now warning against another common mealtime pitfall (陷阱) — salt

They warn of the structural problems in the economy.

Tony Little, headmaster of Eton, warned that boys were being faded by the British education system because it had become too focused on girls.

People should be warned of its harmful consequences.

He added that he had warned Mclaughlin that three preventable accidents in one year could lead to his discharge,as indeed it should.

Contrary to the old warning that time waits for no one, time slows down when you are on the move.

In the past, health experts warned us that the day would come in which it would become very difficult to provide medical care for even common problems such as lung infection or severe sour throat.

The commission's revised Green Guides warn marketers against using labels that make broad claims, like eco-friendly.

One recent study warns us of the danger of the exhaustion of natural resources on Earth.

Mothers have been warned for years that sleeping with their newborn infant is a bad idea, because it increases the risk that the baby might die unexpectedly during the night.

Their behaviors do not constitute a warning signal.

Scholars warn that Antarctica's political drift could blur the distinction between military and civilian activities long before the continent's treaties come up for renegotiation, especially in parts of Antarctica that are ideal for intercepting ( ' , 拦截) signals from satellites or retasking satellite systems, potentially enhancing global electronic intelligence operations.

But the study warns that it is teenagers who engage in all three of these practices in the extreme who are truly in jeopardy.

And even before then, scholars warn, the demand for resources in an energy-hungry world could raise pressure to renegotiate Antarctica's treaties, possibly allowing more commercial endeavours here well before the prohibitions against them expire.

Friends and other veterans of the process have warned Meg that the back and forth between editing parent and writing student can be traumatic (痛苦的).

Marshall McLuhan, who came closer than most to seeing what was coming, warned.

That's both an opportunity and a warning for the best higher-education system in the world.

Recently, the UK National Stem Cell Network warned the UK could lose its place among the world leaders in stem cell research unless adequate funding and legislation could be assured.

The author's second warning is that we should avoid running a greater risk by challenging our boss's anthority.

Though Plant's findings were more positive, she too warns against thinking that racism and racial inequalities are no longer a problem.

Well, as your union representative, I have to warn you that it would take quite a while to force management to replace the old machines and attempt to get you transferred may or may not be successful.

The most important warning is this: if you have severe symptoms and they don't go away, go down!

Better skip dinner or hit the gym afterwards, with a cancer charity warning that some iced coffees contain as many calories as a hot dinner.

What warning did some health experts give

The commission's revised "Green Guides" warn against using labels that make broad claims, like "eco-friendly".