diff --git a/10-Input/Classes/Chinese Class_2025-11-17.md b/10-Input/Classes/Chinese Class_2025-11-17.md
index 9397ca8..b86f9d4 100644
--- a/10-Input/Classes/Chinese Class_2025-11-17.md	
+++ b/10-Input/Classes/Chinese Class_2025-11-17.md	
@@ -38,6 +38,8 @@ We have a brother who practices traditional Chinese medicine; perhaps he can hel
 Tiānqì
 Weather
 
+## Sentences
+
 今天天气怎么样？
 Jīntiān tiānqì zěnme yàng?
 How's the weather today?
@@ -45,6 +47,12 @@ How's the weather today?
 今天晴天
 Jīntiān qíngtiān
 It's sunny today
+
+不但。。。而且。。。
+bùdàn...
+今天不但下雨而且非常冷
+Jīntiān bùdàn xià yǔ érqiě fēicháng lěng
+It's not only raining today, but also very cold.
 ### Vocab
 晴天
 Qíngtiān