1、 no是什么意思：（用于否定的回答或陈述）不；没有；不是 。used to give a negative reply or statement，Just say yes or no.只要说“是”或“不是”。
2、（对某人所说的话感到惊讶）不，不要。 used to express shock or surprise at what sb has said习语。not take no for an answer非让人接受（或听从）
3、没有；无 。not one; not any; not a，No student is to leave the room.学生一律不许离开这房间。
4、不准；禁止。used, for example on notices, to say that sth is not allowed，No smoking!禁止吸烟。
5、theres ~ doing sth 没有可能（做某事）。used to say that it is impossible to do sth，Theres no telling what will happen next.下一步还不定会发生什么事。
6、（表示情况的反面）不是，并不。used to express the opposite of what is mentioned，Shes no fool (= shes intelligent) .她并不傻。It was no easy matter (= it was difficult) .这件事不容易。