同等学力申硕的题型比较多，包括口语交际、完形填空、阅读理解、翻译、短文完成、写作的形式，今天我们就来讲解同等学力申硕英语经典翻译句型。

beat one's head against a wall白费力气;徒劳无功

My sister is very stubborn. You're just beating your head against a wall trying to make her change her mind.

我妹妹很固执，你要她改变心意根本就是白费力气。