in the family way可以用汉语中的“就当自己家一样”来理解，延伸为不拘小节的；值得注意的是，在英式口语中，它表示一件喜事，相当于pregnant，表示怀孕；有喜。

【例句】
She is in the family way again.
她又有孕了。

It gives him great pleasure that his wife is in the family way.
他的妻子怀孕使他十分高兴。