diff --git a/parts/language/dict_en.lua b/parts/language/dict_en.lua
index a364f9c8..aab788da 100644
--- a/parts/language/dict_en.lua
+++ b/parts/language/dict_en.lua
@@ -506,6 +506,15 @@ return{
 		"term",
 		"Imagine you are typing, and you hold down a letter. Say you hold down \"O\".\nYou get a long string of O's.\nOn the time line, it kinda looks like: O--------------O-O-O-O-O-O-O-O-O\nThe -------------- is DAS, the - is ARR.",
 	},
+	{"DAS cut",
+		"dascut",
+		"term",
+		"本游戏中在放了一个方块后会取消/重置/减小das计时器，让自动移动不会立刻生效，减少移动键松开晚了导致下一块一出现就立即开始移动的情况\n注:别的游戏中das打断可能和本游戏这个机制有区别，仅供参考",	},--TODO
+	{"SDF",
+		"sdf softdropfactor",
+		"term",
+		"Soft Drop Factor",--TODO
+	},
 	{"Bag7 generator",
 		"bag7bag randomgenerator",
 		"term",
diff --git a/parts/language/dict_zh.lua b/parts/language/dict_zh.lua
index 72f2b154..a5fe421d 100644
--- a/parts/language/dict_zh.lua
+++ b/parts/language/dict_zh.lua
@@ -516,7 +516,12 @@ return{
 	{"DAS打断",
 		"dascut",
 		"term",
-		"在放了一个方块后会取消/重置/减小das计时器，让自动移动不会立刻生效，减少移动键松开晚了导致下一块一出现就立即开始移动的情况",
+		"本游戏中在放了一个方块后会取消/重置/减小das计时器，让自动移动不会立刻生效，减少移动键松开晚了导致下一块一出现就立即开始移动的情况\n注:别的游戏中das打断可能和本游戏这个机制有区别，仅供参考",
+	},
+	{"SDF",
+		"sdf softdropfactor",
+		"term",
+		"Soft Drop Factor，软降速度因子(倍率)，部分游戏中的软降机制是让重力变为原来的若干倍，SDF就是这个倍数。\n基本所有官块和tetr.io使用这个机制，本游戏不使用。",
 	},
 	{"bag7出块",
 		"bag7bag",