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to destroy; to break (by striking); to smash (to pieces); to knock down
to ruin (e.g. a plan); to wreck; to do away with (an old custom, ideology, etc.); to overthrow (a system); to dismantle
子供がおもちゃを打ち壊した。
The child smashed the toy.
彼らは壁を打ち壊して、道を広げた。
They smashed the wall to widen the road.
既成概念を打ち壊すことが、進歩につながる。
Smashing conventional wisdom leads to progress.