what should we do

我们应该怎样做
when we see, when we come across, somebody trying to kill themselves?"

当我们看到某人试图自杀时
And there I think there is good reason to ask yourself,

我认为你应该问问自己
are you confident that the person has satisfied

你确定这个人满足
the conditions on the consent principle?

同意原则的所有限制条件吗
Perhaps we should err on the side of caution,

也许我们应该慎之又慎
and assume that the person may be acting under distress,

可以假定此人悲伤过度
not thinking clearly, not informed,

以致无法清晰思考一叶障目
not altogether competent,

丧失正确的判断能力
not acting for good reasons.

缺乏合适的理由
But to accept that is not to

但这样做
accept the stronger conclusion

并不是说应该接受极端的结论说