So try this: find me a tongue sound, a lingual, that's clear, meaning voiceless, and has the first tone.

帮我找个声母属于「舌」， 也就是（现代语言学）舌冠，「清」，也就是清辅，属于声调字。

If you’re linking the D into a word that begins with a vowel or diphthong, then it will sound like a flap.

如果你把D连接到个以母或双母开头单字，那它会听上去更像个弹舌。

Can you hear that flap T sound when I say it?

我说时候你能听到里面弹舌T吗？

Our next word is ITEMS with a flap T.

我们下个词是带弹舌 T ITEMS。

Yes, there are parts of the UK where people have rhotic accents like Jay.

是，英国有些地方人有像 Jay 样带卷舌口。

He mounted the steps and came toward her and, even before he spoke, revealing in his tones a twang and a burring of " r s" unusual in the lowlands, Scarlett knew that he was mountain born.

他上了台阶，朝思嘉走来，还没讲话，思嘉现他鼻很重，带卷舌，这在平原地带是很少见，因而断定他是在山里长大。

It's a much kind of flatter accent from Lancashire and they cut off a lot of the words.

约克口比兰卡口更平，字与字之间停顿更久，而且还特别喜欢舌。

Reductions, stress, things like flap Ts.

弱读，重读，还有弹舌。

She could have made that a flap T, 'awful to', 'awful to', 'awful to'.

她可以成弹舌 T，awful to，awful to，awful to。

So you'll hear literally with that flap T sound, right?

你能听到“确实”这个词弹舌 T 对吧？

Rhotic is when people pronounce the R sound strongly, like Jay.

卷舌是当人们 R 很强烈时候，就像 Jay 这样。

But generally speaking, accents in the UK are non-rhotic and accents in the US are rhotic.

但是般来说，英国口是非卷舌，而美国口是卷舌。

Rhotic is when people pronounce the R sounds strongly, like Jay.

卷舌是指人们把 R 得很重，比如杰。

'But I', 'but I', 'but I', 'but I', 'but I', 'but I'. The T becomes a flap T between two vowels or vowels and diphthongs. And that's what happens here.

But I，but I，but I，but I，but I。当 T 在两个元或两个辅之间，它就变成个弹舌 T。这里就是如此。

Now can you hear that flap 'T' there? It sounds more like a 'D'. 'Whatta', 'Whatta', 'Whatta' and then again 'later', 'later'.

你们能听到这里弹舌‘T’吗？听起来更像是‘D’。‘Whatta’，‘Whatta’，‘Whatta’，然后是‘later’，‘later’。

And in non-rhotic accent like mine, we sometimes drop the R sound or say it very weakly.

在像我这样无卷舌中，我们有时会省略 R ，或者说得很弱。

Depending if you use the flap T or not.

取决于你是不是说弹舌。

But generally speaking, accents in the UK — a non-rhotic, and accents in the US — a rhotic.

但般来说，英国口是不带卷舌，美国口是带卷舌。

So my accent is rhotic and vicky's is non-rhotic.

所以我口是带卷舌，而 vicky 是不带卷舌。

In my accent, you can't hear that final R sound but you would in an American accent.

在我口中，你是听不到后面卷舌，但是是美中可以听到。