not/nɒt/

adv

1. [用以将词或句子变为否定] 不（会），非，无

• I do not know. 我不知道。

• The child knows what he can do and what he can not. 那个孩子知道什么可以做什么不可以做。

• “Can I smoke?”“Not in this room.” “我可以吸烟吗？”“在这间屋里不行。”

• Are you ready or not? 你准备好了没有？

• Not all of us want to go there. 我们并不是都想去那儿。

• This film is not very good. 这部电影并不很好。

• Not many people have read this book. 没多少人读过这本书。

2. [用在动词believe, hope, expect, trust等，词组be afraid 等，副词absolutely, perhaps等，连词if等后面，代替that引导的否定从句]：

• “Will he come soon?”“I believe not.” “他会很快到吗？”“我认为不会。”

• “It seems to rain.”“I hope not.” “好像要下雨。”“但愿不要下。”

• “Can you come at once?”“I'm afraid not.” “你能马上来吗？”“恐怕不行。”

• “Can you finish it in two days?”“Absolutely not.” “你两天内能完成吗？”“绝对不行。”

• I hope to see you tomorrow; if not, please phone me. 我希望明天能见到你，如果不行，请打电话给我。

词组not a 一个也没有 not all that 不那么…

• Not all that good. 没那么好。

not at all 见all³ not only...but (also) 见only not that 并不是说

• She has found a new boyfriend--not that I care about it. 她找到了一个新的男友，这倒不是说我在乎。