谁知道韩国语的40个音节的标准发音？？

韩语是表音字，韩语的音节绝大多数由子音与母音组成。如此组成的韩语字母系统叫做“Hangeul”，有19个子音（包括5个复合子音），21个母音（包括11个复合母音），共有40个字母。
< 子音 >
ㄱ ㄴ ㄷ ㄹ ㅁ ㅂ ㅅ
[g/k] [n] [d] [r/l] [m] [b/p] [s]
[giyeok] [nieun] [digeut] [rieul] [mieum] [bieup] [siot]

ㅇ ㅈ ㅊ ㅋ ㅌ ㅍ ㅎ
[o/ng] [j] [ch] [k] [t] [p] [h]
[ieung] [jieut] [chieut] [kieuk] [tieut] [pieup] [hieut]

< 复合子音 >
ㄲ ㄸ ㅃ ㅆ ㅉ
[kk] [tt] [pp] [ss] [jj]
[ssang kiyeok] [ssang digeut] [ssang bieup] [ssang siot] [ssang jieut]

< 母音 >
ㅏ ㅑ ㅓ ㅕ ㅗ ㅛ ㅜ ㅠ ㅡ ㅣ
[a] [ya] [eo] [yeo] [o] [yo] [yu] [eu]
这是韩国新站，里面有很多内容，韩语的语法等，可以学习的：）~~
http://www.koreaxin.com
更详细的可以看：韩语语法/发音等学习文章列表：）