need not

• 不必

need not的用法和样例：

例句

1. You need not have bought extra oil for this short trip.
   在这么短的旅程中，你实在没有必要多买油。
2. It was fine that day, so I need not have brought an umbrella with me.
   那天天气很好，我原本不必带伞的(但却带了)。
3. Even if he said so, you need not believe him.
   即使他这么说，你大可不必相信他。
4. You need not have got up so early.
   你不必起得那么早。