number one片语

第一名、冠军、榜首

Their new single went straight to number one last week.

他们的新歌上周直接冲上排行榜第一名。

自己、个人利益口语

He always looks after number one before helping anyone else.

他总是先顾好自己，才会去帮别人。

小便、小号口语，儿语

The little boy said he needed to go number one.

那个小男孩说他要去上小号。

头号的、首要的、最重要的

Keeping the children safe is our number-one priority.

确保孩子的安全是我们的首要任务。

最畅销的、最受欢迎的

It became the number-one selling phone in the country.

它成了全国最畅销的手机。