A: You look very troubled. What's wrong?
A：你看起来心神不宁。怎么了？

B: I am tormented by the fear of failure.
B：我正为对失败的恐惧而感到痛苦。

1) 精神折磨的

2) 痛苦不堪的

3) 困扰的

1. 遭受痛苦的，受折磨的

adjective

1. experiencing great mental or physical suffering.

Synonym: distressed, plagued, afflicted