There are so many different ways to keep engaging with English unofficially.

有这么多不同的方式来保持与英语非正式接触。

Unofficially, it was Oppy, and often a she.

非正式来讲，“勇气号”曾叫做Oppy，而且常被称为她。

Brad tells me that guides used to often talk only unofficially about the environmental changes they were noticing.

布拉德告诉我，向导们过去常常只在非官方场合谈论他们注意到的环境变化。

But they haven't reported. -Yes, they have, unofficially...

报告还没提交吧。 -提交了，私下的。

Well, once we cut ties, I can't contact their government officially or unofficially.

一旦断绝邦交，无论正式还是非正式我都不能联系他们的政府。

From the time of his death in 1799, his birthday, February 22, was marked unofficially.

从华盛顿1799年去世时开始，他的生日2月22日就被非正式地定为一个节日。

They are unofficially tied to a banned extremist party, and they mobilized on Thursday night.

该组织与一个被禁止的极端主义政党存在非正式关系，他们在周四晚上集结起来。

So, he says, related countries will hold discussions -- either officially or unofficially -- at the meetings.

所以，他说相关国家将在会上举行官方或非官方的会谈。

Frequently violence was employed either officially or unofficially by members of the Klan.

三K党成员经常以正式或非正式的方式使用暴力。

Plus, the Ice Festival begins unofficially at Christmas with amazing ice and snow sculptures.

此外，冰雪节在圣诞节以非正式的方式开始， 届时会有令人惊叹的冰雪雕塑。