1. It's easy for me to solve the problem. 对我来说，解决那道题目很容易。

2. It's important for us to learn English. 对我们来说，学英语很重要。

3. It's difficult for him to say sorry first. 对他来说，先道歉很难。

4. It's dangerous for her to go out alone at night. 对她来说，晚上独自出去很危险。

5. It's necessary for them to work hard. 对他们来说，努力工作是很有必要的。