Secretly: this means not being discovered, and in the text it means that the growth of grass is not obvious. Let the grass have human movements and express the author's love for spring grass.
Drill: This refers to perforation. This paper refers to the emergence of grass, which makes the grass seem to have life and embodies the vitality of new grass.
The ways to analyze words are: 1. Explain the original meaning of words.
2. Contact the context and analyze its meaning in the sentence.
3. Beauty lies in the contact center.
Hope to adopt ~ thank you