In a poker game you do not want to let your opponents know if your cards are good or bad.

VOA: special.2009.11.22

Opponents of animal testing are quick to point out that it's not a humane way to learn scientific facts.

动物实验的反对者很快就指出，利用这种方法得到科学事实是不人道的。

需要动物实验吗？ - SpeakingMax英语口语达人

Opponents of the Sherman Anti-Trust Bill said its purpose was not to destroy trusts, but to make the public believe that trusts would be destroyed.

VOA: special.2010.06.03

They did not like the way he threatened his opponents.

VOA: special.2010.04.22

His opponents do not want him to stay until then.

VOA: special.2009.02.21

Most opponents of slavery did not vote.

VOA: special.2009.05.21

Mr.Obama says opponents of his health reform plan have been spreading false information about what the proposal will and will not do.

VOA: standard.2009.08.08

But opponents of the bill argue that not all criminals deserve a second chance.

VOA: standard.2010.03.25

Mr.Tandja says the referendum was a matter between himself and the people of Niger, a direct dialogue that did not include his political opponents or the international community.

VOA: standard.2009.08.14

"It is clear that not only are some of the opponents of health care moved by the health care debate, but they are also really worried about the direction the president is going, how fast he is going, how much government they see, how much deficit-spending they see,".

VOA: standard.2009.08.17