1.必须采取一些措施来保护环境
Some measures：一些措施.
2.您之前去过颐和园吗?
the Summer Palace：颐和园
3.老人迈上楼梯.
went into：即是go into,进入
They went into the hall together.
他们一道走进大厅.
从事
They want their son to go into medicine.
他们要儿子从事医学工作.
进入(某种状态)
He went into a rage when he learned about it.
他听到这事后勃然大怒.
调查, 着手处理
We should go into the matter thoroughly.
我们应当对此事进行彻底