become + adjective
用作系动词，表示状态变化。
She became famous after her performance.
她在表演后变得出名了。
变成；成为
发生；产生；适合；与…相称；使显得好看；得到；收到；开始成为；变为(常指持久状态)；发生；产生；出现
to begin to be or turn into something
开始成为；变为(常指持久状态)
begin to be; turn into (often with permanent states).
发生；产生；出现
To come about; happen; come into being; arise.
适合；适宜于
To be appropriate for.
(衣着等)适合(某人)；使(某人)显得漂亮
Of an adornment, piece of clothing etc.: to look attractive on (someone).
得到,接收
To get, receive.
一般现在时
He becomes a doctor.
他成为一名医生。
一般过去时
She became famous last year.
她去年出名了。
现在完成时
They have become friends.
他们已经成为朋友了。
成为
She became a doctor after years of study.
经过多年学习，她成为了一名医生。
用法提示：这里 "became" 是 become 的过去式，表示“成为”，后接名词补足语。
It becomes colder in winter.
冬天变得更冷了。
用法提示：这里 "becomes" 是第三人称单数形式，表示“变得”，后接形容词比较级。
He is becoming more confident every day.
他每天都变得更自信。
用法提示：这里 "becoming" 是现在分词，与 is 构成进行时，表示“正在变得”，后接形容词比较级。
用作系动词，表示状态变化。
She became famous after her performance.
她在表演后变得出名了。
后接名词短语，表示成为某身份。
He became a successful entrepreneur.
他成为了一名成功的企业家。
过去分词含有被动意义，表示状态。
The news became known worldwide.
这个消息变得全世界皆知。
固定搭配，询问人或事物的结局。
What became of that old house?
那座老房子后来怎么样了？
更口语化，常后接形容词比较级或过去分词
侧重性质或颜色的转变，如 turn red
暗示渐进过程，常接形容词
常用于变坏或变糟的情况，如 go mad
常用于固定短语，如 come true
grammar · medium
易错句子I want to become teacher.
正确表达I want to become a teacher.
中文中“成为”后可直接跟名词，但英语可数名词单数前必须加冠词。这里需要不定冠词a/an。
grammar · medium
易错句子The sky became darkly.
正确表达The sky became dark.
become后接形容词表示状态变化，而非副词。dark是形容词，darkly是副词。
指状态不变，与‘成为、变得’相反。
变得出名
Many actors dream of becoming famous.
许多演员梦想出名。
成为医生
She worked hard to become a doctor.
她努力工作以成为一名医生。
变得知名
The company became known for its quality products.
这家公司因其优质产品而知名。
变得流行
This song became popular last summer.
这首歌去年夏天变得流行。
意识到
He became aware of the problem too late.
他意识到这个问题的时，为时已晚。
参与
She became involved in volunteer work.
她参与了志愿者工作。
be- + come
与become相关，表示状态或性质的变化。
表示逐步的变化或进步过程。
表示从小到大或从弱到强的变化。
表示长期、渐进的变化过程。
表示达到完全发展的状态。
发生（常指不好的情况）
What will become of the company if it goes bankrupt?
如果公司破产，它会变成什么样？
习惯于
She has become accustomed to waking up early.
她已经习惯了早起。
成为现实
His dream of becoming a doctor has become a reality.
他当医生的梦想已成为现实。
我变成了死亡，世界的毁灭者。
J. Robert Oppenheimer quoted this from the Bhagavad Gita after the first nuclear test.
J.罗伯特·奥本海默在第一次核试验后引用了《薄伽梵歌》中的这句。
我已经变得麻木不仁。
From the Pink Floyd song 'Comfortably Numb'.
出自平克·弗洛伊德的歌曲《Comfortably Numb》。
Dictionary facts from ECDICT, WIKTIONARY.