sweat it out idiom informal
如坐针毡地等待（不愉快情形）结束，焦虑不安地苦熬
to wait nervously for an unpleasant situation to end or improve
I had the blood test last Tuesday, and I've been sweating it out ever since, waiting for the results. 我上个星期二验血了，从那时起就一直如坐针毡地等待结果。
做高强度的运动锻炼
to do hard physical exercise
I like to sweat it out in the gym for a couple of hours every day. 我喜欢每天都到健身房做一两个小时高强度的运动锻炼。