木っ端微塵（こっぱみじん）を英語でなんと言うか？

smithereensです。31:42 could you unravel all this when whole torpedo compartment had been blown to smithereens over the seabed? 海底に沈んで魚雷室が木っ端微塵に吹っ飛んだこの潜水艦ミステリーを解明できるかい？

Seconds From Disaster S03E03 Sinking Of Kursk Russia´s Nuclear Sub Nightmare
https://www.youtube.com/watch?v=L1EAA7pkEJ4  5:17 in a real siege it would only be a matter of time before the wall is reduced to smithereens. 本当の篭城戦では城壁が粉々に粉砕されるのは時間だけの問題だ
https://www.youtube.com/watch?v=rFZDtPOsz_U   説明書き；Watch this bathroom get blown to smithereens in glorious slow motion.　優雅なスローモーションでトイレが粉々に吹き飛ぶところをご覧ください
https://www.youtube.com/watch?v=Sn_fFJBvOUI  2:21 blown to smithereens

練習問題解答
a-904 smithereens
a-2104 hammer it to smithereens
a-7491 blown to smithereens
a-9633 blown to smithereens
a-9697 blown to smithereens
b-4480 blown to smithereens