His occupation necessitated considerable scepticism, but even so a man could become too mistrustful.他的职业需要他凡事多抱怀疑态度, 即便是这样, 他也有点过于多疑了。

He was innately mistrustful of everyone.他天生就不相信任何人。

He had always been mistrustful of women.他一向不信任女人。