to enter or do something by mistake
etwas versehentlich tun oder an den falschen Ort gehen (etwas versehentlich tun oder an den falschen Ort gehen)
"He blundered into the wrong meeting room."
"Er blunderte in den falschen Besprechungsraum." (er blunderte in den falschen Besprechungsraum)
to look very happy and healthy
to fail or give up because of too much pressure or stress
to plan each step carefully for a specific purpose
to make something more environmentally friendly
to come out of or develop from something
to surprise someone unexpectedly