inserted the key
Tom steckte den Schlüssel in seine Tasche.
Tom put the key in his pocket.
Er steckte den Schlüssel ins Schloss.
He put the key in the lock.
Jim steckte den Schlüssel ins Schloss.
Jim put the key in the lock.
Tom steckte den Schlüssel in das Schlüsselloch.
Tom put the key in the keyhole.
Maria steckte den Schlüssel in ihre Tasche.
Maria put the key in her pocket.