乌鸟之狡,虽善不亲。不重之结,虽固必解。
乌鸦般的交情,虽然看上去挺好,但实则不亲密;绳子结在一起,虽然看上去牢固,但能轻易解开。
The biggest problem with the European Union is that it is not a state, but it pretends to be one.