Idiom: Don't upset the applecart

Idiom Definitions for 'Don't upset the applecart'


If you are advised not to upset the applecart, you are being told not to disturb the way things are done because it might ruin things.
MySQL Error: 0 () -- Database error: Error: %s on line 112 in /home/aking/app/lib/class.db_base.php
#0 /home/aking/app/lib/class.db_mysqli.php(406): UE_DB_Base->haltmsg('Error: %s\n')
#1 /home/aking/app/lib/class.db_mysqli.php(130): DB_MySQLi->halt('Error: %s\n', NULL)
#2 /home/aking/app/lib/class.db_base.php(21): DB_MySQLi->query('SELECT w.word\n\t...')
#3 /home/aking/app/lib/class.idiom.php(283): UE_DB_Base->query('SELECT w.word\n\t...')
#4 /home/aking/public_html/reference/idioms/idiom.php(157): UE_Idiom->get_similar_idioms()
#5 {main}