How to say “He hammered his thumb instead of the nail, then dropped the hammer on his foot for good measure.” in Japanese
In Japanese
釘じゃなくて自分の親指を叩いて、おまけに金づちを足に落としたんだって。
Kugi ja nakute jibun no oyayubi o tataite, omake ni kanazuchi o ashi ni otoshita n datte.