See the elephant 开眼界、见世面
It's time for me to see the elephant.
我是时候见见大世面了。

See pink elephants：酒醉到头昏眼花
When you see pink elephants, you can't drive.
当你喝醉酒时，你不能开车。

white elephant不想要却丢不得的东西
When he planned to sell his house, his expensive furniture became white elephants.
他想要卖房的时候，那些昂贵的家具竟成了累赘。