1. 好像;似乎;看来
    If you say that something appears to be the way you describe it, you are reporting what you believe or what you have been told, though you cannot be sure it is true.

    e.g. There appears to be increasing support for the leadership to take a more aggressive stance...
           好像有越来越多的人支持领导层采取更为强势的立场。
    e.g. The aircraft appears to have crashed near Katmandu...
           飞机似乎在加德满都附近坠毁了。

2. 看起来；显得
    If someone or something appears to have a particular quality or characteristic, they give the impression of having that quality or characteristic.

appear

    e.g. She did her best to appear more self-assured than she felt...
           她竭力让自己表现得比实际更自信。
    e.g. He is anxious to appear a gentleman...
           他急于想表现得像个绅士。

3. 出现；显现
    When someone or something appears, they move into a position where you can see them.

    e.g. A woman appeared at the far end of the street...
           一个女人远远出现在街的尽头。
    e.g. Last night some of the prisoners appeared on the roof.
           昨晚，其中几个犯人出现在房顶上。

4. 开始存在；产生
    When something new appears, it begins to exist or reaches a stage of development where its existence can be noticed.

    e.g. ...small white flowers which appear in early summer...
           初夏时绽放的白色小花
    e.g. Slogans have appeared on walls around the city.
           标语已出现在全城周围的墙上。

5. （书籍等）出版，发表，问世
    When something such as a book appears, it is published or becomes available for people to buy.

    e.g. I could hardly wait for 'Boys' World' to appear each month.
           每个月我都翘首期盼着《男孩世界》的出版。
    e.g. ...a poem which appeared in his last collection of verse.
           发表在他最后一部诗集中的一首诗

6. 演出；出场；表演
    When someone appears in something such as a play, a show, or a television programme, they take part in it.

    e.g. Jill Bennett became John Osborne's fourth wife, and appeared in several of his plays...
           吉尔·本内特成为了约翰·奥斯本的第四任妻子，并参演过他的几部戏剧。
    e.g. Student leaders appeared on television to ask for calm.
           学生领袖出现在电视上请求大家保持冷静。

7. 出庭；到案
    When someone appears before a court of law or before an official committee, they go there in order to answer charges or to give information as a witness.

appear的解释

    e.g. Two other executives appeared at Worthing Magistrates' Court charged with tax fraud...
           又有两个经理因偷税漏税指控被传唤到沃辛治安法庭。
    e.g. The American will appear before members of the disciplinary committee at Portman Square.
           那个美国人将在波特曼广场接受纪律委员会成员的审问。