You must be single-minded. Drive for the one thing on which you have decided.

你必须一心一意，一门心思地朝你所决定的事情前进。

youdao

But first, you have to be single and you must be Catholic.

但首先你必须是单身的且你必须是天主教徒。

youdao

But first, you have to be single and you must be Catholic.

但首先你必须是单身的且你必须是天主教徒。

youdao