tˈiːtʃɚz dɪdnˌɑːt ˌʌndɚstˈænd kˈoʊən; ðeɪ θˈɔːt hiː wʌz mˈɪstʃɪvəs, dˈuː tə ðə nˈɔɪzᵻz tˈɪks kˈɔːzd baɪ hɪz tˌiːˈɛs.
Teachers did not understand Cohen; they thought he was mischievous, due to the noises (tics) caused by his TS.