quacked
v. (鴨子)發出嘎嘎聲( quack的過去式和過去分詞 )
If you call someone a quack or a quack doctor, you mean that they claim to be skilled in medicine but are not.
I went everywhere for treatment, tried all sorts of quacks.
我四處求醫,看過了各種各樣的江湖郎中。
Quack remedies or quack cures are medical treatments that you think are unlikely to work because they are not scientific.
Why do intelligent people find quack remedies so appealing?
為什麼聰明人會被江湖醫術所吸引?
When a duck quacks, it makes the noise that ducks typically make.
There were ducks quacking on the lawn.
草地上有幾隻鴨子在嘎嘎叫。