weak-kneed [ˈwikˌnid]

例句:

• Nice try at the weak ad hominem attack though.
  来自SA
• The law is simply too weak to prevent it.
  来自BBC
• The reason is because its economy is so weak.
  来自BBC
• He would need all his authority to keep the weak-kneed volunteers from bolting.
  他需要动用所有的职权防止那些胆小的志愿兵逃跑。
  
• One glance at her, and both Hurstwood and Drouet saw plainly that she also was weak - kneed.
  赫斯渥和杜洛埃马上看出,她和别人一样, 也吓得膝盖发软了.
  
• The whole company was so weak - kneed that the lines were merely spoken, and nothing more.
  演员们个个腿脚发软,勉强背着台词, 一点儿表情也没有.