vt. 使失去勇气, 使胆怯, 使不能自制

[医] 除神经

[ verb ]
disturb the composure of
<verb.emotion> enervate faze unsettle

Unnerve \Un*nerve"\, v. t. [1st pref. un- + nerve.]
To deprive of nerve, force, or strength; to weaken; to
enfeeble; as, to unnerve the arm.

Unequal match'd, . . .
The unnerved father falls. --Shak.