for want of her

基本解释

The last thing you want is for her to be scared of what will help her.
最后一件事你想的是她所害怕的东西将会有利于她。
Here's my simple tip: Rather than accusing the person of being lazy or inconsiderate, ask her for what you want and be specific.
以下是我的一点小建议：不要去指责其懒惰或精心，要求他做你想要他做的事情，并且作出明确说明。
Some Democrats, many of them Obama supporters, argue there is no way that Hillary Clinton can overtake Barack Obama in the delegate count, and they want her to step aside for the good of the party.
包括奥巴马的许多支持者在内的一些民主党人说，在选举代表人数上克林顿不可能超越奥巴马，他们希望克林顿为了民主党的利益而退出竞选。

For want of a husband her brother Edward, Duke of York stood groom.
NPR: Excerpt: Princesses
And I want to thank her for her lifetime of service as a champion for women and children.
WHITEHOUSE: First Lady Michelle Obama Addresses Young African Women Leaders The White House