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

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

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

VOA: standard.2009.05.21

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

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

VOA: standard.2010.02.15

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