这里的spell doom是什么意思？

Spell doom for you 将走向你

spell
[VN] ~ sth (for sb/sth) to have sth, usually sth bad, as a result; to
mean sth, usually sth bad: The crop failure spelt disaster
for many farmers. ◆ This defeat spelt the end of his hopes of winning the title
again.(牛津高阶）
doom n.厄运劫数
原句：The slightest miscalculations in trajectory 对于 a successful space mission意味着厄运与劫数。