Stage forms this act uses in the library, and how often.
One student claims to be the one who makes people laugh, so the other asks if they can get a huge laugh.
everyone around us would crack up too,
Textbook周りのみんなも爆笑してしまいます。"爆笑してしまって" shrinks to "爆笑しちゃって" ("てしま" → "ちゃ"): te-form of "ちゃう", they'd helplessly end up laughing.
A staff member keeps giving a confusing explanation about a customer's posture, and the customer is getting angry.
Shut up! Blah blah blah blah!
Textbook静かにしてください。そんなにべらべら話さないでください。'うるせえ' is 'うるさい' with 'ai' collapsed into 'ee'—a rough 'shut up'; 'ベラベラ' mimics nonstop chatter.
A classmate begs the boys to try harder, saying the girls have a plan to get everyone motivated.
Culture note The strict girl who scolds the boys with "ちょっと男子!" ("Come on, boys!") is a stock character from Japanese school life.
All the girls are saying it's a great idea too.
Textbook女子のみんなも「それはいいね」と言ってくれているんです。Quotative 「と」 → 「って」; 「言ってくれている」 drops 「い」 to 「言ってくれてる」; final 「の」 adds an explaining tone.
One performer is watching Watanabe's reactions and calling them a sign of growth, then asks Watanabe directly, 'Well?'
Culture note A flat, sulky '別に' is the stereotypical one-word answer of a Japanese teenager.
'Well' what? Nothing, really.
Textbookどうと言われても、特にありません。'どうって' clips 'どうと言われても'; '別に' alone replaces '特にありません', leaving the rest unsaid.
In a panic, one performer tells the other to just stay there and smoke one last cigarette.
No way I can smoke in this situation!
Textbookこの状況で吸えるはずがありません!「わけない」 is 「わけがない」 minus 「が」: 'no way.' Rough 「だろ」 (from 「だろう」) replaces polite 「でしょう」.
One performer keeps acting like the other's little brother, but she says she isn't his sister and won't go anywhere with him.
Culture note Gotemba Premium Outlets is a famous outlet mall near Mt. Fuji in Shizuoka Prefecture.
But we went to the Gotemba outlets together the other day!
Textbookでも、この前一緒に御殿場のアウトレットには行ったじゃないですか。"じゃん" is a contraction of "じゃないか"; after "行った" it means "we did go, remember?"