a [Schatz, Behälter, Bohrinsel] to sink
[Leiche, Sarg] to lower
[Schiff] to sink, to send to the bottom
[das eigene Schiff] to scuttle
die Hände in die Taschen versenken to thrust one's hands into one's pockets
den Kopf in ein Buch versenken to bury one's head in a book, to immerse oneself in a book