And their fear reaction to the face associated with the smell was lower than when they saw the other face.

而他们对伴随气味而看到过的那张人脸的恐惧感明显低于看到另一张脸时产生的。

He sensed now the direction of the Fremen's words, but feared the reaction of the tired men under the rock overhang when they understood it.

他现在感觉到了弗雷曼人说话的方向，但担心岩石悬垂下那些疲倦的人在理解了这些话后的反应。