The children of immigrants tend to be bilingual and proficient in English.

移民的子女几乎都说两种语言，且精通英语。

Says here you're proficient in Photoshop.

这边写说你很擅长修图。

But you look quite proficient in using them now.

可是，你看起来用筷子用的很熟练嘛。

Our study contradicts that. Instead, oxytocin appears to be helpful only for those who are less socially proficient.

但是我们的研究与这种观点不同。我们认为“催产素”对那些社交能力不强的人很有效果。

To be proficient means able to read and speak a language.

熟练是指学生能够读、说一门语言。

I know. - And we've become extremely proficient in the bedroom.

我知道。-而且我们的房事也十分愉悦。

Less than half of all American adults were proficient readers in 2017.

2017 年，只有不到一半的美国成年人能够熟练阅读。

If you aren't yet, try to become as proficient as you can with it.

如果你还没有学，试着尽可能熟练地使用它。

We are pretty much proficient in all the stunt areas as we can be.

在各种特技方面，我们都得相当精通。

A little more than one-third of eighth graders are proficient in reading and math.

八年级的学生中，比1/3多一点儿的学生精通阅读和数学。