那: (archaic) many, beautiful, how, old variant of...
壮实: robust, sturdy...
失灵: out of order (of machine), not working properly, a failing (of a system)...
干: dry...
果然: really, sure enough, as expected, if indeed...
内衣: undergarment, underwear...
怠工: to slacken off in one's work, to go slow (as a form of strike)...
坏: bad, spoiled, broken,(suffix) to the utmost...
磕: knock (against sth hard)...
旁边: lateral, side, to the side, beside...