amidst as being in the middle of or surrounded by something amidst for use with uncountable mass nouns — for example: amidst a crowd, amid congestion. among as mingling or intermixing with distinct or separate objects. Use among with plural, countable nouns— for example: among friends, among passengers. From the above explanation and examples, it suggests that you should choose "among" over "amidst" By the way "amidst" is an outdated word, like "amongst". You should use "amid" or "in". 參考http://tw.knowledge.yahoo.com/question/question?qid=1612031601700