我到这儿唯一的原因就是来看你。

My sole reason for coming here was to see you.

《牛津词典》

看望奶奶是我回家乡的唯一原因。

The only reason I ever came back to my hometown was my grandmother.

youdao

那就是我未能获得那个职位的唯一原因。

That's the sole reason for my failure to get the post.

youdao

The only reason I believe that we have financial markets that work is because we have regulations.

之所以我相信金融市场能够,维持良好运转的唯一原因,就是金融监管的存在

耶鲁公开课 - 金融市场课程节选