1. Don''t always think of number one.
    别老是想着自己。

1. 加油长：number of package packages件数 | number one 加油长 | number one 加油长

1. 头号的;头等的;最重要的
    Number one means better, more important, or more popular than anything else of its kind.

    e.g. The economy is the number one issue by far...
           到目前为止，经济是头等大事。
    e.g. By the way, I''m your number-one fan.
           顺便说一句，我是你的头号粉丝。

2. 排行榜冠军(指周销售量最高的流行歌曲CD、歌手或乐队组合)
    In popular music, the number one is the best selling CD in any one week, or the group or person who has made that CD.

    e.g. Paula is the only artist to achieve four number ones from a debut album.
           葆拉是唯一的首张唱片4次荣登排行榜榜首的艺人。

3. 只想到自己的利益;只顾自己
    If you are looking out for number one, you are thinking of yourself rather than considering other people.

    e.g. My priority is to look after number one — to create a lifestyle I am happy with.
           我首先要顾好自己，追求自己喜欢的生活方式。

1. a reference to yourself or myself etc.
    `take care of number one'' means to put your own interests first

2. the first element in a countable series

    e.g. the first of the month

    Synonym: firstnumber 1

3. the first or highest in an ordering or series

    e.g. He wanted to be the first

    Synonym: first