A) They are frequently scheduled at irregular times.

A）们经常安排在不定期的。

In patients who don't take their medication regularly, epilepsy may become refractory and they then have to take lifelong therapy.

在不定期服药的患者中，癫痫可能会变得难治，然后们不得不接受终身治疗。

Such rule is usually temporary or irregular.

这种规则通常是暂的或不定期的。

Large cashde posits at erratic intervals.

不定期的大笔现金存款。

Three years' worth of random tests by the league plus independent tests we had run to quash the rumors.

大联盟三年的不定期抽查外加我们为粉碎谣言进行的独立测试。

And these are mostly men, it seems, to think they are striking up kind of interval relationship over the Internet with a woman.

似乎上钩的都是男性，们认为自己在和位女性进行不定期的网聊，但事实不是这样。

Let's learn more about this effort to detect and slow the spread of fake news, part of our occasional series on the subject.

让我们更多地了解这种检测和减缓假新闻传播的努力，这是我们关于这个主题的不定期系列的部分。

The aim is to support member states to set up the right processes to manage irregular arrivals in a swift and orderly way in line with fundamental rights.

其目的是支持成员国建立正确的程序，以符合基本权利的方式，迅速、有序地管理不定期的移民。

" I have a one-year open ticket. I'm not sure when I'm going to go back, but within one year." Have that ticket ready to show him or her.

" “我有为期年的不定期票。我不确定我什么候回去，但年内。准备好那票给或她看。

But the greatest changes made in these relations of fall, pool, and dam are caused, not by the ordinary spring floods, but by extraordinary ones that occur at irregular intervals.

但是，瀑布、水池和水坝的这些关系发生的最大变化，不是由普通的春季洪水引起的，而是由不定期发生的非常大的洪水引起的。

'Thank you, sir, ' said the seaman, touching his forelock. 'I'm just off a two-yearer in an eight-knot tramp, short-handed at that, and I wants arest. I thought I'd get it either with Mr. Beddoes or with you.'

'谢谢你，先生，'水手掠掠的额发说道。'我刚刚下了航速为八海里的不定期货船，在那上面我干了两年，偏偏人手又少，所以需要休息。我想我只好去找贝多斯先生或来找你了。'

Instead of returning to the Bertaux in three days as he had promised, he went back the very next day, then regularly twice a week, without counting the visits he paid now and then as if by accident.

原来答应三天过后再来贝尔托，但是却在第二天就来了；以后原定星期来两次，但不定期的偶尔探望不计算在内。

When a particular situation arises, or when his abilities are unusually attuned, we have in the past held unscheduled sessions, and I have always attempted to compensate by cutting the next one short, or cutting it out entirely.

当出现特殊情况，或者当的能力异常契合的候，在过去，我们也曾举行过不定期的课，我总是试图通过缩短下次课的，或者完全取消课程以作为补偿。