The phrase "speak dismissively of" is a formal way to express the act of saying something about someone or something in a tone that shows disdain or轻视. This phrase is typically used to express a lack of respect or belief in the topic being discussed.
For example, if someone speaks dismissively of conspiracy theories, they might say, "I don't buy into that theory," or "conspiracy theories are all junk science."
In a sentence, "He spoke dismissively of the scientist's claims, saying they were not credible." This means that the person did not take the scientist's explanation seriously and believed it was not honest or reliable.
The historical usage of this phrase dates back to the 17th century, where it has appeared in various texts and publications., the phrase "speak dismissively of" is a formal way to express a lack of respect or belief in something. It is commonly used to express a lack of agreement or disbelief in a topic or idea.