show sb piece of my mind,意思是要你好看
给你点颜色看看
1(I will) show you what I can do.
2 (I will) show you what I am made of.
3 I will teach you a lesson.
例如 1 你如果再打扰我们工作，我就要给你点颜色看看了。If you keep bothering us, I will teach you a lesson.
2 上次我们输给他们队，这次一定要给他们点儿颜色看看。We lost to their team last time. Then this time we must show our real strength.
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