Ukraine decided to secede.

乌克兰决定独立出来。

《柯林斯英汉双解大词典》

the desire of the southern states to secede.

即使他不赞同南方州脱离联邦的想法。

youdao

Well, I just feel that I would plunge into a pit if I had to secede, as you put it.

照你说的，我觉得如果我不得不离开的话，我就跳进了一个陷阱。

youdao

There also was the danger that fighting would cause slave states still in the Union to secede and join the southern Confederacy.

VOA: special.2009.08.06

Lincoln said no state had a legal right to secede the Union could not be broken.

VOA: special.2009.08.06

If southern states rejected all compromises on slavery, did they have the right to secede?

VOA: special.2009.04.09

Four of the country's six provinces, which support Mr Ratsiraka, are threatening to secede.

ECONOMIST: Middle East turmoil

Nor could it claim a right to secede anyway if the talks bogged down.

ECONOMIST: It��s Quebec, again

Nobody says that the English must threaten to secede, as the Scots did before they got their Parliament.

ECONOMIST: Bagehot