她点着头，无意识地鼓励着他。

She was nodding her head, ___unconsciously urging him on.

我们买昂贵的汽车，是因为我们无意识地想要模仿电影演员。

We buy expensive cars because we ___unconsciously want to imitate film actors.

他手指敲着桌子，无意识地显示出他的不耐烦。

He tapped his fingers on the table, ___unconsciously showing his impatience.