Mum and I used to fall out a lot.我和妈妈过去经常争吵。Some of the men were obliged to fall out from fatigue.一些人因疲乏而掉队了.In his sleep he let the book fall out of his hand.他睡着时书从手中掉了下来....

fall out的音标：fall out的英式发音音标为：[fɔ:l aut]fall out的美式发音音标为：[fɔl aʊt]...

争吵，结果，解散， 掉队...