势合形离

[成语]
shì hé xíng lí

[含义]
势：形状；形：形体。形体各自独立，结构完整不分。

[来源]
三国魏·何晏《景福殿赋》：“桁梧复迭，势合形离。”

[用法]
联合式；作谓语、定语；含贬义

[同义词]
貌合神离


[英文]
with forms independent from one another and the whole structure remaining integrated