我真的是由她，以及她能够掌控多少，所引导的。就与我告诉她关于圣诞老人和牙齿仙女的一样。

I was really led by her and how much she was able to handle, in the same way as I did with Father Christmas and the tooth fairy.

youdao

通过分析其天冬氨酸发生了多少外消旋化，科学家可以确定牙齿主人在多大岁数死亡——通常精确到5年半左右，正负差4.2年。

By analyzing how much racemization of its aspartic acid occurred, scientists can determine how old the tooth's owner was at death - generally accurate to about 5.5 years, plus or minus 4.2 years.

youdao

病人：拔掉这颗牙齿要用多少钱？

Patient: How much to have this tooth pulled?

youdao

And my bet also is that that sort of distinction, how much teeth you show when you smile, is the sort of thing that would show regional and country by country differences.

我打赌区别还在于，微笑时你露了多少颗牙齿，这可以看出地区和国家的不同。

耶鲁公开课 - 心理学导论课程节选