单词：need not
音标：[ni:d nɔt] ；
不必; 无须; 毋庸; 无庸
need not的用法和样例：
例句
- 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。
- 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)。
- Even if he said so, you need not believe him.即使他这么说，你大可不必相信他。
- You need not have got up so early.你不必起得那么早。