1.   And he asked me a lot of very pertinent questions which seemed to me more than idle curiosity.

2.   It should be remembered that it is not idle curiosity that prompts them.

3.   It was idle curiosity that made me ask.

4.   It was only from idle curiosity that she went into the barn.

5.   Jess shivered, looking down at the upturned faces that stared at her with idle curiosity.

6.   Out of idle curiosity, I looked out of the window.

7.   Perhaps it was nothing more than idle curiosity.

8.   As we leave, I glance around to see if anyone shows more than idle curiosity.

9.   First, it was idle curiosity.