
to sink (e.g. a ship); to submerge
to lower (e.g. one's body into a chair)
to floor (an opponent)
敵の戦艦を魚雷で沈めた。
We sank the enemy battleship with a torpedo.
なぜ船をわざと沈めているのですか。
Why are you deliberately sinking the ship?
大きな石を池に沈めれば魚の隠れ場所になる。
If you sink a large rock in the pond, it'll make a hiding spot for fish.