Walk under a ladder是什么意思

Walk under a ladder是什么意思 if you walk under a ladder ,you will be unlucky同义句 英语翻译请问 Walking under a ladder到底有什么深层含义?好像和迷信有关的. 短文填词It is said that walking under a ladder means bad luck,an climb the ladder是什么意思 ( ) up on a ladder have a long walk是什么意思 用适当介词填空Be careful when you walk( )ladder under a lot of pressure中文是什么意思 moving up the economic ladder是什么意思 under是什么意思 she takes a walk after dinner是什么意思