Stage forms this act uses in the library, and how often.
Someone keeps begging Mom to buy them something, saying they ate their green peppers yesterday.
No, no, age has nothing to do with it!
Textbookいいえ、年齢は関係ないじゃないですか。The textbook 'いいえ' becomes 'いや': not a flat 'no' but a quick 'no, no' launching the rebuttal, capped with casual 'じゃんよ'.
One person is walking another through their idea of what works best, step by step.
Culture note Hara hachi-bu, eating until you are 80% full, is a common Japanese saying about eating in moderation.
Once you're sleepy, just go ahead and fall asleep.
Textbook眠くなったら、寝てしまってください。「寝てしまって」 contracts to 「寝ちゃって」 (「てしま」→「ちゃ」), meaning 'just go ahead and'; the bare て-form works as a casual request, dropping 「ください」.
Someone says disposable chopsticks harm the environment, so they plan to eat with a tree branch instead.
Don't humans give off CO2 and stuff just by breathing, too?
Textbook人間も息をしているだけで、CO2などを出しているのでしたか。Textbook 「出しているのでしたか」 becomes 「出してるんですっけ」: 「ている」 shortens to 「てる」, 「のです」 to 「んです」, and the past-tense recall 「でしたか」 is replaced by 「ですっけ」, where 「っけ」 attaches to 「です」 to check half-remembered info.
At a restaurant, a staff member seats a customer, then turns to the manager with a question.
Oh, manager, excuse me, there's something I don't quite get, and I have a question right off the bat: what exactly is the Earth…
Textbookあ、店長、すみません。少し分からないことがありまして、さっそく質問なのですが、地球とはどういう…'すみません' loosens to 'すいません' as the 'み' slides into 'い' in fast speech. Here it's 'excuse me', catching the manager's attention.
Someone explains an unusual thing they plan to do to help the environment.
Ahh, right.
Textbookああ、そうですか。"そうか" shortens to casual "そっか" (long vowel → small "っ"); polite "です" is dropped.