1.The conservation group says this has placed the health of the planet at risk.
place/put...at risk 置...于危险境地
The crisis could well place the relationship at risk.
这场危机可能会使这一关系有破裂的危险 。
If they have the virus they are putting patients at risk.
如果他们有这种病毒,就会将病人置于危险境地 。