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近所のモナリザみたいなお姉様ゴミ全然分別してないのに…
→ “That older sister next door is like the Mona Lisa, and she hasn't sorted her trash at all...”
近所 kinjo = neighborhood / nearby area (noun)
の no = of / possessive particle (grammar)
モナリザ monariza = Mona Lisa (proper noun)
みたいな mitai na = like / similar to (phrase)
お o = honorific prefix (suffix)
姉様 oneesan = older sister (slang/honorific)
姉 ane = older sister
様 san = honorific title
ゴミ gomi = trash / garbage (noun)
全然 zenzen = at all / completely (adverb)
分別 betsubetsu = sorting / separation (noun)
分 wa = divide / separate
別 betsu = different / distinct
して shite = doing / making (verb stem)
ない nai = not / does not exist (negative adjective)
のに noni = despite / even though (conjunction)