persistent ache meaning in Chinese

持续性痛

Sensible of a benignant persistent ache in his footsoles he extended his foot to one side and observed the creases , protuberances and salient points caused by foot pressure in the course of walking repeatedly in several different directions , then , inclined , he disnoded the laceknots , unhooked and loosened the laces , took off each of his two boots for the second time , detached the partially moistened right sock through the fore part of which the nail of his great toe had again effracted , raised his right foot and , having unhooked a purple elastic sock suspender , took off his right sock , placed his unclothed right foot on the margin of the seat of his chair , picked at and gently lacerated the protruding part of the great toenail , raised the part lacerated to his nostrils and inhaled the odour of the quick , then with satisfaction threw away the lacerated unguinal fragment
随后他弯下身去，解起打成结子的靴带：先掰搭钩，松开靴带，再一次一只只地脱下靴子235 。右边那只短袜湿了一部分，大脚趾甲又把前面捅破并伸了出去，这下于便跟靴子分开了。他抬起右脚，摘下紫色的松紧袜带后，扒下右面那只袜子，将赤着的右脚放在椅屉儿上，用手指去撕扯长得挺长的大拇脚趾甲，并轻轻地把它拽掉，还举至到鼻子那儿，嗅嗅自己肉体的气味，然后就心满意足地丢掉从趾甲上扯下来的这一碎片。