And during all this time we had not only reached the top of the stairs but had gone down two passages and through several rooms, professor Ermanno still in the vanguard and not letting me catch up with him except when he switched off the lights.
Eta denbora horretan guztian, eskailera gainera igo ez ezik, bi korridoretatik sartu eta bururaino ibili, eta gela batzuk zeharkatu ere egin genituen, Ermanno irakasle jauna beti bidegile nuela, eta banan-banan argiak itzaltzean bakarrik uzten zidalarik aurrea hartzen.