Can you act as an interpreter?

你能担任口译吗？

He serves as an interpreter for us.

他给我们当翻译。

The RT (between) function is designed to make information go viral.

转发功能是为了让信息传播更快更广。

This video has gone viral on Youtube.

这个影片已经在油管上爆红。

He's very intelligent and eloquent.

他很聪明，口才也很好。

His eyes were eloquent.

他的眼睛很传神。

French was a language he had never mastered.

法语他一直没有学好。

He needs to master new skills/techniques.

他需要掌握新的技能/技术。