To work as a translator, you need fluency in at least one foreign language.

要做一名译员，你至少要一门外语流利。

《柯林斯英汉双解大词典》

A translator must be well acquainted with the target language.

一个好的译者必须很熟悉目标语言。

youdao

As one might expect from a journalist and translator, the sections on language are particularly engaging.

正如人们对一名记者及译者所期望的那样，这部作品的语言格外地生动。

youdao

This gives an idea of the power available to anyone who wished to develop something like a translator for sign language, or a way of studying motion to develop physical therapy strategies.

FORBES: Intel Developer Forum Recap

But the apps that have turned the iPhone into a more useful tool -- be it as simple as a flashlight or as sophisticated as a language translator -- have been relatively rare.

ENGADGET: Switched On: iOS 6 gets back from the app

They speak the language as opposed to operating via a translator the way an ADR does.

FORBES: Foreign ETFs That Speak The Language