重点讲解：
1. a combination of
结合；联合；混合；
eg. Their method of negotiating is a combination of the carrot and the stick.
他们谈判的方法是软硬兼施]3).iGVu|ih(&B。
eg. A combination of these two tricks makes for some interesting effects.
这两种戏法的结合会产生一些有趣的效果kvk,^L!zsEq=s+N。
2. at the same time
同时；然而；不过；
eg. She was somehow able to look sad and cheerful at the same time.
她能够做出又悲又喜的神情#jt_qddZ7#sLN!#。
eg. I don't think I set out to come up with a different sound for each album. At the same time, I do have a sense of what is right for the moment.
我不觉得我一开始就特意为每张专辑设定了不同的曲风JR).Xx=qnx@IRzCP*i-。然而，我确实知道当时想要的是什么感觉!j)ns*6C).(EFh]|sf。
3. triumph over
战胜；克服；
eg. The whole world looked to her as a symbol of good triumphing over evil.
全世界都把她视为正义战胜邪恶的象征t+%dsHWT!yH,)6JF-Jk。
eg. She was confident that she would ultimately triumph over adversity.
她相信自己最终能战胜逆境SEfVEi=-j+F=。