新潮: modern, fashionable...
外来: external, foreign, outside...
坏事: bad thing, misdeed, to ruin things...
工地: construction site...
臂: arm...
附带: supplementary, incidentally, in parentheses, by chance, in passing, additionally, secondary, subsidiary, to attach...
颠倒: to turn upside down, to reverse, back to front, confused, deranged, crazy...
锤子: hammer...
楼下: downstairs...
公布: to announce, to make public, to publish...