1-obsessive 强迫性的（指思维上）

2-compulsive 难以抑制的（指行为上）

3-excessive 过度的

When the term OCD ( abbreviation for obsessive compulsive disorder ) comes up, most people probably think of behaviours, including excessive hand-washing and organizing or cleaning the house in a specific way.

4-debilitating 使人衰弱的

In fact, the disorder is far more complex and can be more debilitating than Hollywood usually suggests.

5-intrusive 侵入性的，唐突的

6-image 幻想

7-disturbing 令人不安的

Common symptoms of OCD include ( but are not limited to ) anxiety, intrusive thoughts or images that may be violent or disturbing and don't go away quickly.

8-quell 压制，制止

In cases where someone has pure obsessions, they will experience disturbing, obsessive thoughts and images, but do not carry out rituals in order to quell the fears.

9-typically 通常，典型地

10-onset 发生，开端（尤指不快的事情）

It typically takes 11 years between the onset of OCD and receiving treatment.

11-markedly 显著地

Research has also shown that certain therapies can markedly improve the quality of life for people who have OCD.

12-front line 前沿

The front line treatment is exposure and response prevention therapy.

13-arise from 由……引起，起因于

In ERP therapy, a patient is intentionly exposed to a situation that triggers their symptoms so that they can learn to cope with the discomfort that arises from the obsessions without engaging in compulsions.