appear + (to be) + adj/n
appear 后接 to be 常可省略 to be，直接跟形容词。
She appears to be happy.
她显得很高兴。
出现；显现
看来；似乎；显得；露面；出场；登台；出庭；到案；使显现；使出现；出现或被看见；变得可见
to come into sight; become visible
出现或被看见；变得可见
To come or be in sight; to be in view; to become visible.
公开露面
To come before the public.
出现在权威、法庭或上级面前,以回应指控、辩护等；作为当事人或辩护人出庭,或作为受审者
To stand in presence of some authority, tribunal, or superior person, to answer a charge, plead a cause, etc.; to present oneself as a party or advocate before a court, or as a person to be tried.
变得为心智所理解；作为观察或理解的对象或已证明之事而被知晓；明显或显然
To become visible to the apprehension of the mind; to be known as a subject of observation or comprehension, or as a thing proved; to be obvious or manifest.
似乎；具有某种外观；看起来
To seem; to have a certain semblance; to look.
出现；显现
To bring into view
一般现在时
He appears tired.
他看起来很累。
一般过去时
The sun appeared from behind the clouds.
太阳从云层后面出现了。
present participle
The actor is appearing in a new play.
这位演员正在一部新戏中演出。
注意：appear是规则动词，过去式和过去分词加-ed。
The sun appeared from behind the clouds.
太阳从云层后面出现了。
用法提示：appeared 是 appear 的过去式，表示'出现'，描述太阳从云后显现。
A problem appeared on the screen.
屏幕上出现了一个问题。
用法提示：appeared 表示'出现'，指问题突然在屏幕上显现。
New shops appear in the neighborhood every year.
每年都有新商店出现在这个社区。
用法提示：appear 用一般现在时，表示定期出现。
appear 后接 to be 常可省略 to be，直接跟形容词。
She appears to be happy.
她显得很高兴。
表示‘似乎做某事’，不定式可用完成式表示过去。
He appears to have forgotten the meeting.
他似乎忘了会议。
表示‘出现’，后接地点或方向副词/介词短语。
The sun appeared from behind the clouds.
太阳从云层后面出现了。
较正式，常用于从隐藏或远处出现
强调突然或意外出现
比喻义，常用于问题或信息浮现
非正式，常用于人的出现
常指巨大或令人不安的事物逐渐出现
grammar · medium
易错句子She appears beautifully.
正确表达She appears beautiful.
Appear 作为系动词时，后面应接形容词而非副词。副词修饰行为动词，但 appear 在此表示状态，需用 beautiful 说明主语特征。
grammar · medium
易错句子He appears a teacher.
正确表达He appears to be a teacher.
Appear 表示“显得”时不能直接跟名词，必须通过不定式 to be 连接名词短语，因为 appear 是不及物动词，需补足成分说明主语的身份。
seem仅表示‘似乎’，appear还可表示‘出现’
look常与形容词连用，appear更正式且可接不定式
emerge强调从隐藏中显现，appear更泛指出现
出庭
He had to appear in court as a witness.
他必须作为证人出庭。
出现在电视上
The celebrity appeared on TV last night.
那位名人昨晚出现在了电视上。
作为证人出庭
She appeared as a witness in the trial.
她在审判中作为证人出庭。
出现在法官面前
The defendant appeared before the judge this morning.
被告今早出现在了法官面前。
出现在现场
The police appeared at the scene within minutes.
警察几分钟内就出现在了现场。
不知从哪里出现
A cat appeared from nowhere and startled me.
一只猫不知从哪里冒出来，吓了我一跳。
ap- (向) + pear (出现)
ap- (向) + pear (出现) + -ance (名词后缀)
dis- (不，相反) + appear (出现)
事物出现的背景或地点
与'appear'的'似乎'义相关，指给人的感觉
演员登台表演的场所
法庭上出庭作证的人
书籍、文章等的出版发行
突然出现
He appeared out of nowhere.
他突然出现了。
看起来是
She appears to be happy.
她看起来很开心。
出庭
The defendant will appear before the court tomorrow.
被告明天将出庭。
Dictionary facts from ECDICT, WIKTIONARY.