1. 使快乐；给…以娱乐；使有兴趣
    If a performer, performance, or activity entertains you, it amuses you, interests you, or gives you pleasure.

entertain的意思

    e.g. ...games and ideas to entertain children...
           带给孩子们快乐的游戏和想法
    e.g. They were entertained by top singers, dancers and celebrities...
           顶级歌手、舞蹈演员和名人们给他们带来娱乐。

2. 招待;款待
    If you entertain people, you provide food and drink for them, for example when you have invited them to your house.

    e.g. I don't like to entertain guests anymore...
           我再也不想招待客人了。
    e.g. You weren't allowed to entertain men in your rooms even with a chaperone...
           即使你有监护人陪同，也不允许在房间里招待男性。

3. 考虑，心存，怀有（主意、建议等）
    If you entertain an idea or suggestion, you allow yourself to consider it as possible or as worth thinking about seriously.

    e.g. I feel how foolish I am to entertain doubts...
           我竟然心存怀疑，真是太愚蠢了。
    e.g. I wouldn't entertain the idea of such an unsociable job.
           我不会考虑从事这种不跟人打交道的工作。