她说话时，她的紧张显而易见。

Her ___nervousness was obvious when she spoke.

请记住，总的来说，失败是由紧张引发的。

Remember, by and large, failures are sparked off by ___nervousness.

尽管她外表平静，但在演讲前一阵紧张感席卷了她。

Despite her outward calm, a wave of ___nervousness washed over her before the presentation.