to和too有什么区别？

to 是介词，也可以做副词 prep.（介词） In a direction toward so as to reach: 向：为了到达…而朝一个方向： went to the city. 进城 Towards: 朝着： turned to me. 转向我 Reaching as far as: 直到： The ocean water was clear all the way to the bottom. 海水从上面一直到海底都是清澈的 To the extent or degree of: 到…的范围或程度： loved him to distraction. 如此爱他，以至于心神不宁 With the resultant condition of: 以…为最后结果： nursed her back to health. 精心地照顾她，使她恢复健康 Toward a given state: 朝向一个特定的状态： helping minority women to economic equality. 帮助少数民族妇女取得经济上的平等权利 In contact with; against: 与…接触；靠着…： their faces pressed to the windows. 他们的脸贴着窗户 In front of: 在…的面前： stood face to face. 面对面地站着 Used to indicate appropriation or possession: 用于表示归属或占有： looked for the top to the jar. 寻找这个罐子的盖子 Concerning; regarding: 关于；至于： waiting for an answer to my letter. 等着对我那封信的回复 In a particular relationship with: 与…有某种特定关系： The brook runs parallel to the road. 小河与路平行而流 As an accompaniment or a complement of: 作为…的伴随或补充： danced to the tune. 随着曲子起舞 Composing; constituting: 组成；构成： two cups to a pint. 两杯一品脱 In accord with: 与…一致： job responsibilities suited to her abilities. 与她的能力相一致的工作 As compared with: 与…相比： a book superior to his others. 一本比他其它的书写得好的书 Before: 在…之前： The time is ten to five. 现在是五点差十分 Up till; until: 一直到；直到： worked from nine to five. 从九点一直工作到五点 For the purpose of: 为了…的目的： went out to lunch. 出去吃午饭 In honor of: 为了向…表示敬意： a toast to the queen. 为女王而干杯 Used before a verb to indicate the infinitive: 用在动词前表示不定式： I'd like to go. 我想去 Used alone when the infinitive is understood: 当别人已知道不定式部分时单独使用： Go if you want to. 如果你想去的话就去吧 Used to indicate the relationship of a verb with its complement: 用于指明动词和它的补语之间的关系： refer to a dictionary; refer me to a dictionary. 查一本字典；叫我去查词典 Used with a reflexive pronoun to indicate exclusivity or separateness: 与反身代词一起，用来指示独占或分离： had the plane to ourselves. 把飞机留给了我们自己 adv.（副词） In one direction; toward a person or thing: 朝一个方向地；朝一个人或物地： owls with feathers wrong end to. 羽毛方向不对的猫头鹰 Into a shut or closed position: 处于关上的状态： pushed the door to. 把门关上 Into a state of consciousness: 处于有意识状态： The patient came to. 病人醒过来了 Into a state of action or attentiveness: 处于行动或专注的状态： sat down for lunch and fell to. 坐下来开始狼吞虎咽地吃午饭 Nautical Into the wind. 【航海】 朝风地 prep. 向, 往, 给...,于...,直到...为止, 在...之前, 比, 对, [表示程度、范围] 到, 达 too 是副词 adv.（副词） In addition; also: 另外地；也： He's coming along too.See Synonyms at also 他也要来参见 also More than enough; excessively: 过多地；过份地： She worries too much. 她过份担心了 To a regrettable degree: 实在：达到使人担心的程度地： My error was all too apparent. 我的错误实在是太明显了 Very; extremely; immensely: 非常；极其地；极大地： He's only too willing to be of service. 他非常愿意帮助你 Informal Indeed; so: 【非正式用语】 真正地；这样地： You will too do it! 你真的要做这件事情！