Suddenly he heard a quack.

突然，他听到嘎的一声。

When his seawater rice research was successful, he was very excited, and copied the action of ducks with "quack, quack, quack", while passing a pond.

当他的海水水稻研究成功时，他非常兴奋，在经过一个池塘时模仿鸭子的动作，发出“嘎、嘎、嘎”的声音。

Quack, quack, quack. Walk like us!

嘎嘎嘎，像我们一样走路！

I am a duck Quack quack .

我是一只鸭子，嘎嘎。

Walking like this, quack, quack, quack.

像这样走路，嘎嘎嘎嘎。

He is a quack doctor.

他是个庸医。

We like to hear you, quack quack quack!

我们喜欢听你呱呱叫！

It is a quack!

那是一声嘎叫！

Quack, quack! Now come with me and I will take you into the world.

嘎，嘎！现在跟我来，我将带你们去参观这个世界。

Mother duck said quack quack quack. But only four little ducks came back.

鸭妈妈叫啊叫，但是只有四只小鸭子回来了。

Time is alleged cure-all quack.

时间是自称包治百病的庸医。

Quack,quack!Are you all out?

呱呱，呱呱！ 你们都出来了吗？

Does it quack? Yes, it does.

是的，它是。它呱呱叫。

Here a quack, there a quack.

这里有鸭子，那里有鸭子。

Don't believe him, he is a quack.

不要相信他，他是个庸医。

Time is a self proclaimed a quack.

时间是一个自称包治百病的庸医。

Quack, quack, Duck Queen.

呱，呱，鸭子皇后。

With a quack-quack there.

鸭子那里嘎嘎。

With a quack-quack here.

鸭子这里嘎嘎。

Act as a medical quack or a charlatan .

像一个江湖庸医一样吹牛。

She discovered that the man was a quack .

她发现那人是个庸医。

Ducks on the bus sing. Quack! Quack! Quack!

鸭子在公共汽车上唱歌。嘎！嘎！嘎！

Ducklings: Quack, quack, quack. Walk like us!

小们： 呱，呱，呱。 像我们一样走路！

A duck's quack doesn't echo... no one knows why.

鸭子的叫声没有回声，其中的原因每人知道。

I do not believe such a quack can cure me of tracheitis.

我不相信这样一个庸医可以治好我的气管炎。

Duck duck waddle back, we like to hear you quack quack quack!

鸭子，鸭子，摇尾巴，我们喜欢听你呱呱呱。

I simply spat my contempt and threw the drug back to the quack.

我愤怒地表示了我的蔑视，把药扔回给那个江湖医生。

A quack-quack here! Here a quack! There a quack! Everywhere a quack-quack.

嘎嘎这里！这里有个鸭子！

After so many disappointments, he finds it hard to have faith in quack doctors.

经历多次失望之后，他对江湖医生失去了信心。

In ancient times, doctors often made people sicker with quack cures like bleeding.

古代时，医生常常乱给病人治疗(如放血)，而使病情加重。