The treaty was signed on 24 March.

条约是3月24日签订的。

《牛津词典》

He signed on for five years in the army.

他签了在部队服役五年的合同。

《牛津词典》

The contract that was signed on Thursday morning was backdated to March 11.

星期四上午所签的合同从3月11日起生效。

《柯林斯英汉双解大词典》

He refused the other offers and signed on to play for Brooklyn.

VOA: special.2010.04.11

If the cabin boy had agreed himself, and not under duress, as was added, then it would be all right to take his life to save the rest and even more people signed on to that idea.

如果派克是自己同意的，而不是被迫的，正如这位补充的，那么用他的生命去救其他人就没问题,甚至更多同学赞同这一观点。

耶鲁公开课 - 公正课程节选

Three-hundred-thirty lawmakers from some of the most liberal members of the House to the most conservative signed on to the letter.

VOA: standard.2010.04.14

She is only one of the benefactors who signed on to help Baan Borang.

FORBES: Weaving Connections

At a conference in Cairo, Iraqi leaders signed on to a call for a timetable.

NPR: An Iraqi Perspective on Ending the War

Russian soldiers are still in Georgia and that is threatening a cease-fire agreement signed on Tuesday.

NPR: Bush Offers New Aid To Georgia, Presses Russia