1. You speak quite apropos.
    你说话很恰当。

2. He arrived very apropos.
    他来得很及时。

3. Apropos , I have something to tell you.
    顺便，我有点事跟你说。

1. 指令:查找使用手册的名字和相关描述：1.3 apmsleep指令:APM进入备用或者休眠状态 | 1.4 apropos指令:查找使用手册的名字和相关描述 | 1.5 arch指令:输出主机的体系结构

2. 命令:查找用户手册的名字和相关描述：3.apmsleep命令:产生配置脚本 | 4.apropos命令:查找用户手册的名字和相关描述 | 5.arch命令:输出主机的体系结构

3. 通过关键字查找命令：appletviewer--浏览Java小程序 | apropos--通过关键字查找命令 | ar--维护可移植档案和库

4. apropos

4. 搜索关键字：apropos:查找使用手册的名字和相关描述 360 | apropos:搜索关键字 43 | apt:管理套件的工具 186

1. 关于；至于
    Something which is apropos, or apropos of, a subject or event, is connected with it or relevant to it.

    e.g. All my suggestions apropos the script were accepted...
           我所有有关该剧本的建议均被采纳了。
    e.g. George Orwell once asked, apropos of publishers, ''Why don''t they just say, “We don''t want your poems”?''
           乔治·奥威尔一次提及出版商时曾问道：“为什么他们不干脆说，‘我们不想要你的诗作’？”

2. 说到;提到
    Apropos or apropos of is used to introduce something that you are going to say which is related to the subject you have just been talking about.

    e.g. Apropos Dudley Moore living in California he said, ''He loves the space, Californians have a lot of space.''
           提到住在加利福尼亚的达德利·穆尔，他说：“他喜欢开阔，加利福尼亚人的生活空间非常开阔。”

3. 恰当的;合适的
    Something that is apropos is very suitable in a particular situation.

    e.g. It was a verse from the book of Job. It was so apropos.
           这是摘自乔布书中的一句诗，用得非常恰当。

1. of an appropriate or pertinent nature

1. introducing a different topic
    in point of fact

    e.g. incidentally, I won''t go to the party

    Synonym: by the wayby the byeincidentally

2. at an opportune time

    e.g. your letter arrived apropos

    Synonym: seasonablytimelywell-timed