The DL pronunciation is horrible. Tochter = 'TOCH-ta' and Töchter = 'TERCH-ta'. It's not exactly like that, since German has different sounds than English, but it's close. Also the difference between u and ü is simply that the ü slides when the u doesn't. Bruder = 'BRU-da' and Brüder = 'BROO-da'.