我保持眼睛固定在他的脸上。

I kept my eyes ___fixed on his face.

数十双眼睛固定在导游那晒黑、铅色的脸上，充满期待。

Dozens of eyes were ___fixed on the sun-burnt, leaden coloured face of the guide, beaming with anticipation.

她的目光固定在地平线上，陷入沉思。

Her gaze was ___fixed on the horizon, lost in thought.