1.I knew that this was highly improbable, but didn't see any sense in arguing.
我知道这不大可能，但争吵是行不通的。
2.If Europe wanted to adopt one, the ECB and finance ministers would have to agree on such a policy jointly. This is highly improbable.
如果它想采用一种，那么这种政策必须获得欧洲央行和各成员国财长一致认可，而这是极不可能的。
3.We must make one of two following highly improbable suppositions.
我们不得不采取下列两种不近情理的假说之一。
4.CAN something inevitable also be highly improbable?
一件事可以同时无可避免又极不可能吗？
5.It all seemed so highly improbable to those who knew her, that everyone dismissed it as ridiculous.
凡是了解她的人，都觉得她想入非非、异想天开，有时对她的高谈阔论一笑了之。
6.They presume government take step coping with situation but opinion highly improbable.
他们闪为政府是按目前形势采取措施的。我们不这样认为。
7.It's highly improbable, but even Hawking admits it is theoretically (i. e. , mathematically) possible.
尽管这种可能性微乎其微，但是即使是Hawking也承认这在理论上（也就是在数学推导上）是可能的。
8.That outcome, never more than possible, now looks highly improbable.
以前这充其量只能说有可能，如今却看起来非常不现实。
9.No, just. . . er. . . highly improbable.
不，只是……呃……很不确定。
10.It is theoretically possible, although highly improbable that a worm hole could somehow be stabilized to allow safe passage through it.
理论上是可能的，虽然一个虫洞可以不知何故稳定允许安全经过它极不可能。