请教英语大神

最重要的两点：第一，together可以作形容词用但altogether不可以。第二，together可以和with 连用，但altogether不可以。具体的解释请参照下面的解释。

altogether 【柯林斯词典】

ADV You use altogether to emphasize that something has stopped, been done, or finished completely. 完全地强调

ADV You use altogether in front of an adjective or adverb to emphasize a quality that someone or something has. 全然地强调

ADV You can use altogether to introduce a summary of what you have been saying. 总体上讲

ADV If several amounts add up to a particular amount altogether, that amount is their total. 总共地

together

ADV If people do something together, they do it with each other. 在一起

ADV If things are joined together, they are joined with each other so that they touch or form one whole. (物体结合) 到一起

ADV If things or people are situated together, they are in the same place and very near to each other. 紧挨着

ADV If a group of people are held or kept together, they are united with each other in some way. 一致地

ADJ Together is also an adjective. 一致的

ADJ If two people are together, they are married or having a sexual relationship with each other. (因婚姻、性关系) 在一起的

ADV If two things happen or are done together, they happen or are done at the same time. 同时