"They are not home for breakfast"是表达他们不在家吃早餐的英文句子。其中"home"是"家"的意思，"for"是"为了"的意思，"breakfast"是"早餐"的意思。
英文例句及翻译：
They are not home for breakfast. (他们不在家吃早餐)
They went out early and won't be home for breakfast. (他们早早出门，不会回家吃早餐)
I'll make breakfast for them when they come home. (当他们回家时，我会为他们做早餐)