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独身寮にこっそり女連れ込むだけならともかく、大浴場に女入れて…
→ “Bringing a girl into your single dorm is one thing, but bringing her to the communal bath... (that's taking it too far!)”
独身寮 dokushinryō¹ = single dormitory / bachelor quarters (noun)
独身 dokushin = single / unmarried
寮 ryō¹ = dormitory / barracks
に ni = to / towards (particle indicating direction/location)
こっそり kossori = secretly / sneakily (adverb)
女 onna = woman / girl (noun)
連れ込む tsurekomu = to bring in / smuggle in (v.)
連れ tsure = bring / lead
込む komu = to go in / enter
だけ dake = only / just (particle)
なら nara = if / since (conditional particle)
ともかく tomokaku = anyway / regardless of that (idiom)
、 = comma (punctuation)
大浴場 daiyokujō¹ = communal bath / public bathhouse (noun)
大 dai = large / big
浴場 yokujō¹ = bath / bathing place
に ni = to / into (particle indicating destination)
女 onna = woman / girl (noun)
入れて irete = putting in / allowing to enter (v. -te form)
入れ ire = insert / put in
て te = connective ending (conjunctive form)
… = ellipsis (indicates trailing off/suspense)
