1.   It was too early in the trip for a serious attempt and all of us were Decidedly under the weather.

2.   John had made quite a serious attempt to stop him joining the mining expedition, and then had dropped it.

3.   The therapist judged that Margaret had made a serious attempt to kill herself.

4.   This is the first serious attempt to tackle the problem.

5.   When comprehensive schools became the norm there was still no serious attempt to rethink the curriculum or the values incorporated within it.

6.   Yet most managers in most companies make no serious attempt to do that.

7.   The first serious attempt to listen for possible radio signals from other civilizations was carried out at the National Radio Astronomy Observatory in Greenbank,West virginia,