coup sec → after a couple of yanks, the rope came free. to give sth a yank tirer d'un coup sec sur qch [+rope, cord] tirer d'un coup sec → to yank an emergency cord. to yank sth open : ouvrir qch d'un coup sec → she yanked open the drawer = elle ouvrit le tiroir d'un coup sec.
coup sec → after a couple of yanks, the rope came free. to give sth a yank = tirer d'un coup sec sur qch to yank sth open = ouvrir qch d'un coup sec → she yanked open the drawer (=elle ouvrit le tiroir d'un coup sec).