The crisis is critical for Titanis. As the wolves close in, its attention turns to escape.

这机对恐鸟来说非常关键。随着狼群的逼近，其注意力开始向逃跑。

I think probably the defining moment is when the Titanis feels like its life is in danger.

我认为决定性的一刻可能是在恐鸟感觉自己的于险中时。