| 1 | We must not jeopardize the gains we have made. | |
| 2 | It was foolish to endanger your life in that way. | |
| 3 | Pollution of the water supply reached a level pernicious to the health of the population. | |
| 4 | Only if the red light comes on is there any danger to employee. | |
| 5 | However, he did not want to jeopardize his health for life after playing. |