当地社区正在努力预防青少年自杀事件的发生。

The local community is working to prevent ___suicide among teenagers.

警方确认这起悲剧是一起自杀事件。

The police confirmed the tragedy was a ___suicide.

在这个经济环境下大幅降价销售简直是商业自杀。

Selling at a huge discount in this economy is business ___suicide.

在足球比赛中，这名后卫头球自摆乌龙，导致球队失分。

In the soccer match, the defender committed ___suicide by heading the ball into his own goal.