throw a monkey wrench in

1 破坏

damage ruin breach destruction devastation ravages depredation break kill destroy crush dissolve corrupt sack spoil wreck mar demolish scuttle despoil knacker muck up throw a monkey wrench into bugger up drive a coach and horses through smash up account for do for break down

2 阻挠

obstructive hindrance prevent defeat sink oppose spike intervene obstruct thwart shackle snooker scuttle stymie nobble throw a monkey wrench into