nervous breakdown

(time of) mental illness that causes depression, tiredness and general physical weakness神经衰弱.

nem con, nemesis, neo-, neo-colonialism, neoclassical, neolithic, neologism, neon, neophyte, nephew, nephritis, nepotism, Neptune, nerve, nerve-cell, nerve-centre, nerve-racking, nerveless, nervelessly, nervous, nervous system, nervously, nervousness, nervy, nest, nest-egg, nesting home, nestle, nestling, net, net (also nett), netball, nether, nethermost, netting, nettle, nettle-rash, network, neur(o)-, neural,