“形影不离”，汉语成语，意思是像形体和它的影子那样分不开（follow each other like body and shadow），形容彼此关系亲密，经常在一起。可以翻译为“inseparable as body and shadow，be never apart”。

例句：

这条狗与主人形影不离。

The dog is his master’s shadow.

他们近来形影不离。

You never see them apart these days.