Kaeri-gake ni nozoite miru to suzushisō na heya ga takusan aite iru.On my way back from the bathroom, I peeped about, and found many rooms, which looked much cooler than mine, vacant.

ōbune o arumi ni kogi de ya fune take waga mishi kora ga mami wa shirushi moRowing the big boat into the rough seas, putting our backs into it, the looks of those girls I saw are clear [in my mind]

dame na hito/dame ningenhopeless person (scatterbrained, incapable, etc.)

Rōmaji dake no jishorōmaji-only dictionary