a friendly attitude的用法和样例：
- He had a friendly attitude when I met him.
- We're very glad that you have such a friendly attitude.
- A friendly attitude towards others is our best letter of recommendation.
- You did not come out to support [remained aloof]. That was a friendly attitude.
- A friendly attitude should be taken towards all armed units that do not start armed clashes with the Eighth Route or New Fourth Armies.
- He's a friendly chatty sort of person.