开眼

He beamed with pleasure at seeing her.

看到她， 他眉开眼笑。

The film on police methods was a real eye-opener for me.

这部关于警方探案招数的影片开眼界。

At the same time, travelling can enlarge the eyereach of the people and let us know the society directly.

同时，它又是人们开眼界，了解社会的契和直接获取知识的最佳途径。