fluency

我计划出国留学以提高我的语言流利度。

I plan to study abroad to improve my ___fluency in the language.

为了提高我的德语流利度，我计划在柏林学习一个夏天。

To enhance my ___fluency in German, I plan to spend a summer studying in Berlin.

对于这个职位，精通一门或多门计算机编程语言是必需的。

For this role, ___fluency in one or more computer programming languages is essential.