是fear:

n. 害怕恐惧敬畏担心

vt. 害怕敬畏为…担心

vi. 害怕敬畏为…担心

He could always smell out fear.

别人有什么恐惧,他总能觉察到。

A wave of fear swept over him.

一阵恐惧传遍他的全身。

Fear clutched at her heart.

她突然感到一阵恐惧袭上心头。

All his employees fear him.

他的雇员都怕他。

That's a perfectly legitimate fear.

那是种完全合乎逻辑的恐惧。