suicide

他试图自杀，但被朋友们阻止了。

He attempted to commit ___suicide but was stopped by his friends.

年轻人的自杀率已成为一个主要的公共卫生问题。

The ___suicide rate among young adults has become a major public health issue.

警方确认这起悲剧是一起自杀事件。

The police confirmed the tragedy was a ___suicide.