发音与字母之间没有一对一的关系。

There is no one-to-one correspondence between sounds and letters.

《牛津词典》

这位中国高级经理正在寻找一对一的英语家教，每周授课几个小时。

The senior Chinese manager is looking for a one-to-one English tutor for several hours per week.

youdao

他一点儿都不喜欢一对一的交谈。

Talking one-on-one with people is not his idea of fun.

《柯林斯英汉双解大词典》

So, numbers count, but it's not an easy one-to-one question, various issues will determine who comes out ahead.

所以,人多力量大,但这不是简单一对一的问题,很多因素决定了谁将更胜一筹

耶鲁公开课 - 古希腊历史简介课程节选

and we have a lot of one-on-one time with the professor, and we can...

我们和教授有一对一的交流时间，所以我们能……

选择国际学的理由 - SpeakingMax英语口语达人

So on the one hand, the communal activity of teaching and exchanging ideas and the liveliness that comes about, particularly in seminars and some one-on-one conversations with the students and reading their writing.

因此，一方面，教学，交流的相互性,还有随之而来的生动性，尤其是在研讨会和一些一对一的,与学生的交流中，以及他们的作业中。

普林斯顿公开课 - 人性课程节选