some及certain的区别.pptVIP

For some reason 由于某种原因，由于某个理由（原因不明确） some+可数名词单数 : some表示某一个 some book some+不可数名词 : some表示一些 some water some+可数名词复数 : some表示一些 some books While they can hardly be called secrets, for some reason people either do not understand or they underestimate the power of these ideas.尽管它们并不是真正的秘诀，但是由于某种原因，人们要么不了解这些思想，要么低估了它们的作用。 ;For a certain reason 为了某种理由，由于某种原因 I‘m very sorry not to tell you the truth for a certain reason.由于某种原因,我非常抱歉不能告诉你真相。 a certain+ 可数名词单数 表示某一个、，某一 A certain person 某个人 For certain reason 因故，因为某个理由 During his duty time, for certain reason if he wants to take a short leave, he must be approved by the duty engineer and concerned supervisor.在值班时间内因故离开岗位时要得到值班工程师和有关主管的批准。;;3. 在单数普通名词前，a certain和some通常可以互换。在专有名词前通常用a certain,不用some. Some 可以和or…,or other, or another连用，表示未知的对象，而(a) certain没有这样的搭配。如： A certain Smith is waiting at the gate.有个叫史密斯的人正在门口正等着你。 He used to work at some/a certain place in Guangzhou.他过去在广州某个地方工作。 She won a competition in some newspaper or other她在某个报纸上获过奖。;Spot n. 地点；斑点 vt. 认出；弄脏；用灯光照射 vi. 沾上污渍；满是斑点 adj. 现场的；现货买卖的 adv. 准确地；恰好 [ 过去式 spotted 过去分词 spotted 现在分词 spotting ];作名词时： 1.Spots are small, round, colored areas on a surface. 斑点 The leaves have yellow areas on the top and underneath are powdery orange spots.叶子上端有黄色斑块，下方有粉状橙色斑点。 2.Spots on a person‘s skin are small lumps or marks. (皮肤上的) 小疙瘩; My brother’s face was covered with spots.我弟弟曾满脸疙瘩。 3. You can refer to a particular place as a spot. 地点 They stayed at several of the island’s top tourist spots. 他们在岛上几个最好的旅游景点呆过。 4.A?spot?in a television or radio show is a part of it that is regularly reserved for a particular performer or type of entertainment. 固定节目档 Unsuccessful at screen writing, he got a spot on a CNN show. 电影剧本创作方面未能成功，之后他在CNN得到了一个固定节目档。 5. A spot of a liquid is a small amount of it. 滴; 点 Spots of rain had begun to fall. 雨点已经开始落下来了。;短语： Blind spot?盲点 ; 盲区 ; 静区 ; 心理盲点 scenic spot?风景区 ; 旅游景点 ; 景点 ; 风景名胜 Focal spot?焦点 ; 焦斑 sore spot?伤心事