首先我们来看下how和what的大致意思：
how：词性为副词/疑问副词，1. 用于询问方式或方法：How do you do it?（你是怎么做到的？）
2. 用于询问程度：How long can you stay?（你能呆多久？）
3. 用于询问情况或状态：How are you feeling?（你感觉怎么样？）
what：词性为代词/疑问代词，1. 用于询问事物或对象：What is your name?（你叫什么名字？）
2. 用于询问情况或情况的描述：What happened?（发生了什么？）
3. 用于询问原因或理由：What is the reason?（是什么原因？）
通过下面的表格我们了解下how和what的含义、发音和用法
接下来让我们看下how和what的用法区别：
1.用法范围：how可用于询问方式、情况、程度等，而what主要用于询问事物、情况、原因等。
例子：
- How do you cook this dish?
(How do you cook this dish?)
- What is your favorite color?
(What is your favorite color?)
2.词性：how是副词或疑问副词，而what是代词或疑问代词。
例子：
- How does it taste?
(How does it taste?)
- What did you say?
(What did you say?)
3.含义：how表示以何方式/怎样，而what表示什么。
例子：
- How did you learn to play the piano?
(How did you learn to play the piano?)
- What do you want to eat?
(What do you want to eat?)
4.发音：how的英式发音为haʊ，美式发音为haʊ；what的英式发音为wɒt，美式发音为wɑt。
例子：
- How are you?
(How are you?)
- What time is it?
(What time is it?)
5.词汇解释：how的词汇解释包括询问方式、方法、程度、情况或状态；what的词汇解释包括询问事物、对象、情况或描述、原因或理由。
例子：
- How do you solve this problem?
(How do you solve this problem?)
- What is your favorite book?
(What is your favorite book?)