Yeah, the full phrase here is 'two shakes of a lamb's tail', but we shorten this to 'two shakes'.

对，完整的短语是“小羊摇两下尾巴的时间”，不过我们会缩短成two shakes。

" I'm going to the store. I'll be back in two shakes of a lamb's tail" !

" 我要去商店。我会马上回来（in two shakes of a lamb’s tail）！"

Oh I see. Two shakes of a lamb's tail. English can be a very weird language!

哦，我明白了。“小羊摇两下尾巴的时间”。英语还真是奇怪的语言！

I would not say, " Hold on! Help will be here in two shakes of a lamb's tail" !

" 坚持住！ ‘羊尾巴摆两下的时间内’救援就会到了！"

But we will be back in two shakes of a lamb's tail. Well, actually… we'll be back next week!

但我们马上（in two shakes of a lamb’s tail）就会回来的。好吧，实际上… … 我们下周再见！

Some language experts say " two shakes of a lamb's tail" was first used in written English in the 1800s.

一些语言专家表示，" two shakes of a lamb’s tail" 这一表达首次用于书面英语是在19世纪00年代。

And this cute factor is the main reason Americans rarely use " two shakes of a lamb's tail" in a serious situation.

严肃情况下，美国人很少使用" two shakes of a lamb’s tail" 这一表达，主要是因为其中的可爱因素。

I’ll be back in two shakes.

【shake】我马上就回来。

One sec. I'll be with you, two shakes of a bee's knee. You bastard.

稍等一下下 我马上回来 你个小杂种。

" Two shakes of a lamb's tail" meaning I will do it quickly or it will be done quickly.

所以：“Twice shakes of a lamb's tail” 意思是我会很快做， 或者很快就会完成。

But with any luck, we could solve the problem in two shakes of a lamb's tail. We could have our answers quickly and easily.

但是有时候运气好，我们能立即(in two shakes of a lamb’s tail)解决问题。我们能够迅速简便地得到答案。

Sees Sivert come out in the yard, all surprised to see Jensine, and the two shake hands and laugh a little; then Sivert takes the horse out and leads it to stable.

看到 Sivert 从院子里出来， 看到 Jensine 都很惊讶， 两人握手并笑了起来； 然后 Sivert 把马牵出来， 带到马厩里。