diff --git a/code/main.py b/code/main.py
index d054187..f85ff63 100644
--- a/code/main.py
+++ b/code/main.py
@@ -14,7 +14,7 @@ import pandas as pd
 
 from database import get_all
 from clean_data import clean_content_df
-from translate import translate
+from translate import translate, get_untranslated
 from database import Data_table
 
 # def update():
@@ -74,6 +74,8 @@ def translate_content():
     # load all content from database
     print('loading data from database...')
     df = get_all()
+    # remove already translated content
+    df = df[df['content_en'].isna()]
     # clean content
     print('cleaning content...')
     content_clean_list, id_list = clean_content_df(df)
@@ -101,9 +103,7 @@ def translate_content():
                 dt.execute(query, val_dict)
             except Exception as e:
                 print(f'error when sending translated content to database: id={id}')
-            
-
-
+            time.sleep(2)
 
 
 if __name__ == '__main__':