That same year, then President John F.Kennedy vowed in a speech before the U.S.Congress to put a man on the moon.

VOA: standard.2009.07.16

You remember that Milton had vowed to his friend Charles Diodati in the Sixth Elegy that he would become an epic poet some day, and that he was taking all of the necessary steps to transform himself into an epic poet.

弥尔顿曾在第六挽歌中向他的朋友查尔斯，迪奥达蒂宣布,他有一天将成为一名史诗诗人，他也在不断努力,把自己变为一名史诗诗人。

耶鲁公开课 - 弥尔顿课程节选

When Irish voters approved the treaty earlier this month in a second referendum, he vowed to keep his word.

VOA: standard.2009.10.10

The the Afrikaaner Resistance Movement (AWB), which the 69-year-old farmer helped found in 1973,vowed revenge, but says it will not react violently.

VOA: standard.2010.04.05

And,protesters have vowed to make their presence know when the president, who supports abortion rights, arrives on campus.

VOA: standard.2009.05.14

But the group said it had only made a tactical retreat and had vowed to take it back.

VOA: standard.2009.08.21

But it sounded like a campaign speech as Gordon Brown, at the very start, vowed a fight to win next year's election.

VOA: standard.2009.09.29

To the cheers of his supporters, he vowed to build more jails to imprison his political opponents who he says are corrupt.

VOA: standard.2009.07.19

In a nationwide address last month, Senegal's President Abdoulaye Wade deplored the recent violence and vowed to pursue peace efforts with the MFDC.

VOA: standard.2009.10.05

Critics say Lieberman's position could harm Israel's relations with the new U.S.administration, which has vowed to make the Middle East peace process a priority.

VOA: standard.2009.04.26

The insurgents have vowed to disrupt the presidential election and have warned people not to vote.

VOA: standard.2009.08.10

He vowed once again that America will do all it can to halt piracy in the region, working in concert with other nations around the world.

VOA: standard.2009.04.13

Militants have long vowed to target Russia's economic infrastructure, including pipelines and power stations.

VOA: standard.2010.07.21

All vowed that justice will be rendered. Police say Terre'Blanche was bludgeoned to death Saturday by two black workers with whom he had a pay dispute.

VOA: standard.2010.04.05

He banned harsh interrogation techniques, and vowed to shutter the detention facility by 2010.

VOA: standard.2009.05.21

The Taliban,ousted from power by a U.S.invasion in 2001, had vowed to disrupt balloting.

VOA: standard.2009.09.15

They had vowed to block enforcement of the code, and even threatened violence.

VOA: standard.2009.08.27

Mr.Obama vowed to put one million plug-in hybrid cars on U.S.roads by 2015.

VOA: standard.2009.03.20

The Taliban had vowed to disrupt the election and retaliate against voters.

VOA: standard.2009.09.08

He also has vowed to "redouble the company's commitment to quality."

VOA: standard.2010.02.15

The president vowed once again to defeat,dismantle and destroy al-Qaida.

VOA: standard.2010.01.05

Republicans like former House Speaker Newt Gingrich have vowed to keep the pressure on Mr.Obama on Afghanistan, as he did in a recent speech at the American Enterprise Institute in Washington.

VOA: standard.2010.07.30

Many vowed to continue the protests.

VOA: standard.2010.03.11

Members of the House Progressive Caucus have vowed to fight to keep this public option in any final legislation that emerges, along with other provisions they say are needed to protect lower and middle-income Americans and hold insurance companies accountable.

VOA: standard.2009.12.25

Final results from Mauritania's electoral commission show former General Mohamed Ould Abdel Aziz winning more than half of the ballots cast making him president without a second round of voting in which his main political opponents had vowed to unite against him.

VOA: standard.2009.07.19