He said they would rise up at the first sign of a leader who wished to break their chains.

VOA: special.2009.06.18

So, what I want to do is, I want to discuss the scientific notion of language, at first restricting myself to systems like English and Dutch and American sign language and Navajo and so on.

因此,我想做的是,我想来谈谈语言的科学定义,首先我会将自己限定在,诸如英语,荷兰语,美国手语,或迪瓦霍语等语言系统之下

耶鲁公开课 - 心理学导论课程节选

In April,after the first cases in the United States, officials told schools to close at the first sign of an H1N1 outbreak.

VOA: special.2009.08.05

He paid record amounts to sign two of the first free agents: pitcher Catfish Hunter and hitter Reggie Jackson.

VOA: special.2010.07.26

Just before the first of the year, a congressman asked the president if he still planned to sign the Emancipation Proclamation.

VOA: special.2009.10.08

But Lincoln said he would not sign the proclamation until the first day of eighteen-sixty-three.

VOA: special.2009.10.08

"As President,I will sign a Universal Health Care plan into law by the end of my first term in office."

VOA: standard.2010.03.25