in pledge

基本解释

Do not be a man who strikes hands in pledge or puts up security for debts;
不要与人击掌，不要为欠债的作保。
A bill may be pledged; when the bill is pledged, the endorsement shall contain the term "value in pledge".
汇票可以设定质押；质押时应当以背书记载“质押”字样。
Take the garment of one who puts up security for a stranger; hold it in pledge if he does it for a wayward woman.
谁为生人作保，就拿谁的衣服；谁为外人作保，谁就要承当。

In some classes, only Spanish is spoken, even during the Pledge of Allegiance -- a morning tradition for American schoolchildren.
In the climactic moment in the story, Joseph demands that his frightened brothers leave Benjamin the other son of Rachel, the other son of the beloved wife leave Benjamin as a pledge in Egypt.
在故事的高潮，约瑟夫要求惊慌的兄弟们留下本杰明,他是Rachelr，另一个儿子，心爱妻子的另一个儿子,当本杰明当作人质留在埃及。
耶鲁公开课 - 旧约导论课程节选
There was generally favorable response across the political spectrum in Muslim countries to the president's public statements - such as a pledge made before Turkey's Parliament in Ankara.

She challenged the words "under God" in the Pledge of Allegiance (the Supreme Court is still wrestling with that one) and the "In God We Trust" on American currency (a fight she lost).
FORBES: Unholy Roller