suicidal

形容词 suicidal:

1. dangerous to yourself or your interests
   同义词：self-destructive

1. He was depressed, even suicidal. Even a child knows better.
   他很沮丧，甚至想去自杀。这甚至连孩子都知道得更清楚
2. She's feeling suicidal today.
   她今天想自杀。