Why is Mr. Van Daan hesitant to have another “guest” join them in hiding?

What are some of the images and diction used by the narrator that evoke the "dream of america"?

1. a poem that tells a story irony 2. taking on human characteristics narrative 3. a direct comparison between two things personification 4. words that are opposite the thoughts in a speaker's mind simile 5. implied comparison introduced with "as" and "like idiom 6. one's own manner of speaking metaphor

In saying that 11: 30 am was in the small hours of the morning, bertie is using