The cry of a duck, or a harsh sound like it.

鸭叫声；嘎嘎声。

Of a duck, to utter a quack; also, to make sound like a duck's quack.

嘎嘎叫；发出似鸭叫之声。

An ignorant person who claims medical skill and knowledge of marvelous remedies.

庸医。

A fraudulent pretender to skill of any kind; charlatan.

骗子；装内行的人。

To pretend to medical skill.

装作懂医术。

To make false claims of any kind; talk noisily and boastfully.

欺瞒；吹嘘。

Making false claims; fraudulent.

伪欺的；诈欺的。