untransferable
adj. 不可转移的;不能转让的
例句
But the Biancocelesti then changed their mind and decided that the player was no longer untransferable, so we then made our offer and signed him.
但是拉齐奥方面随后改变了他们的想法,并且决定这位球员不是不可交易的,于是我们发出了邀请,并签下了他。