He threw a grenade into the firing slit in the first of the pillboxes, charged toward it  and threw another grenade into the structure, killing the enemy machine gunners and silencing their fire.
hiː θɹˈuː ɐ ɡɹənˈeɪd ˌɪntʊ ðə fˈaɪɚɹɪŋ slˈɪt ɪnðə fˈɜːst ʌvðə pˈɪlbɑːksᵻz, tʃˈɑːɹdʒd təwˈɔːɹd ɪt ænd θɹˈuː ɐnˈʌðɚ ɡɹənˈeɪd ˌɪntʊ ðə stɹˈʌktʃɚ, kˈɪlɪŋ ðɪ ˈɛnəmi məʃˈiːn ɡˈʌnɚz ænd sˈaɪlənsɪŋ ðɛɹ fˈaɪɚ.