1.drop down 落下
From the drop down of tears, is I too scared and did not say.
从眼里掉下的泪水，是我因为太害怕而未曾讲出的话。

2.beyond the edges of 在...边缘延伸
A disk of gas extends beyond the edges of the galaxy itself.
盘气体可以在其本身的边缘延伸。