diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,2 +1,21 @@
 # chinese-programmer-wrong-pronunciation
-中国程序员容易发音错误的单词
+中国程序员容易发音错误的单词 (以美式发音为准)
+
+
+1. hidden
+
+    ✅ ['hɪdn]
+
+    ❌ ['haidn]
+ 
+1. mobile
+
+   ✅ [ˈmobəl; ˈmoˌbaɪl; ˈmoˌbil]
+ 
+   ❌ [ˈməʊbaɪl]
+   
+1. cache
+
+   ✅ [kæʃ]
+ 
+   ❌ [kætʃ]