It is believed that repetitive early pain events lead to anxiety and other behavioral disorders while also decreasing pain tolerance.
有人认为早期反复的疼痛会导致焦虑及其他行为障碍，并降低痛觉耐受性。
2
I chalked it up to a form of separation anxiety, and my tolerance of her bouts of tears decreased.
我把她的表现归为分离焦虑，并且越来越无法忍受她的泪水攻势。
3
Caffeine can also make workers more panicky, although regular users build up tolerance to such anxiety, he says. But caffeine's not the only active chemical in hot drinks.