diff --git a/jhn/12/39.md b/jhn/12/39.md
index f1b48a081a..f1f2dc7410 100644
--- a/jhn/12/39.md
+++ b/jhn/12/39.md
@@ -1,10 +1,6 @@
-# he has hardened their hearts
+# he has hardened their hearts ... understand with their hearts
 
-This is an idiom that means that God caused them to be stubborn. AT: "he has made them stubborn" (See: [[rc://en/ta/man/translate/figs-idiom]])
-
-# understand with their hearts
-
-The Jews considered the heart to be the organ that caused understanding.  (See: [[rc://en/ta/man/translate/figs-metonymy]])
+Here "hearts" is a metonym for a person's mind. The phrase "hardened their hearts" is a metaphor for making someone become stubborn. Also, to "understand with their hearts" means to "truly understand." AT: "he has made them stubborn ... truly understand" (See: [[rc://en/ta/man/translate/figs-metonymy]] and [[rc://en/ta/man/translate/figs-metaphor]])
 
 # and turn
 
@@ -13,5 +9,6 @@ The Jews considered the heart to be the organ that caused understanding.  (See:
 # translationWords
 
 * [[rc://en/tw/dict/bible/other/hard]]
+* [[rc://en/tw/dict/bible/kt/heart]]
 * [[rc://en/tw/dict/bible/other/understand]]
 * [[rc://en/tw/dict/bible/other/heal]]
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