quack

n.

江湖医生；江湖郎中；（鸭子的）呱呱声；

vi.

（鸭子）发出嘎嘎声；

复数：quacks过去式：quacked过去分词：quacked现在分词：quacking第三人称单数：quacks

1. A duck's quack doesn't echo and no one knows the reason.
   鸭子呱呱叫是不会产生回音的
2. She discovered that the man was a quack.
   她发现那人是个庸医。
3. The quack was stormed with questions.
   江湖骗子受到了猛烈的质问。

1. He landed among the tame ducks, and began to waddle around and quack merrily.
   他落在了家鸭群中,开始四处踱来踱去,欢叫个不停,还吃起了地上的谷物。

1. He was told that it's a quack medicine.
   他被告知这是假药。

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