煅炼 meaning in Chinese

enure
hardening
inurement
temper

Time zone changes , internal body clock disruptions and irregular food and exercise patterns can all result in a sleep debt
时区的变化，身体内部生物钟打破、不规律的进食，以及煅炼方式都能引发睡眠缺失。
In his spare time , paul likes learing chinese , keeping fit , keeping abreast of social development issues in china , local volunteering , spending quality time with his young family
在他的休闲时间里，保罗喜欢学习中文，煅炼身体，参与中国的一些社交活动，和家人共度悠闲时光。