But several possible side effects make the treatment risky.

VOA: special.2009.02.03

Egypt being the best example, so that no longer was war possible, but the flip side of that is, there was also another thing that was impossible -- freedom.

埃及就是最好的例证,所以当和平年代到来时,其对立面必然显现,即总有另一件事物,变得难以实现,那就是自由

耶鲁公开课 - 古希腊历史简介课程节选

"They are worried about the possible side effects, about what they listen to from friends and the Internet because there is no official source.

VOA: standard.2009.11.25

The railroads made it possible to travel from one side of the country to the other in less than a week.

VOA: special.2009.02.21

But,to be on the safe side, he also places a smaller bet on the other team, to reduce a possible loss.

VOA: special.2010.01.31

"Indiscriminate use of the product can cause side effects such as inflammation of the salivary glands, nausea,rashes,intestinal upset and possible severe allergic reactions.

VOA: special.2011.03.30

"So the government must change its mind, that is the government must dissolve the parliament as soon as possible - let's for the sake of the government, but for my side we still have the government dissolve the parliament within 15 days."

VOA: standard.2010.04.03