For my own head, I’m a tad paranoid about smelly, itchy potions.

对于我自己呢，我对那些难闻的、发痒的药水有点害怕。

youdao

He was diagnosed as a paranoid schizophrenic.

他被诊断为偏执性精神分裂症患者。

《柯林斯英汉双解大词典》

You create your own imaginary boxes simply by living life and accepting certain things as "real" when they are just as illusory as the beliefs of a paranoid delusional.

你简单的通过生活和你所接受的那些作为信仰的一种偏执妄想的“真”创造你自己的想象盒子。

youdao

Last month Health Secretary John Reid ordered an inquiry into the killing of a cyclist by a paranoid schizophrenic a day after he walked out of a mental hospital.

BBC: NEWS | UK | Mental health system 'struggling'

Afterwards, New York Mayor Michael Bloomberg, who is an advocate for tighter gun control laws, said the NRA's response was "a paranoid, dystopian vision of a more dangerous and violent America where everyone is armed and no place is safe".

BBC: Newtown shooting: Gun lobby defiant as US remembers

As the social-network giant has matured, it has become paranoid that a sexier start-up will woo its customers.

ECONOMIST: Social networking