<prompt> Translate the following text to EnglishKisha uso wake kubadilika, na kwa muda mrefu convulsive shudder yeye akaanguka mbele katika rundo crumpled, wakati harufu ya loti uchungu kujazwa hewa.  <response>: Then his face changed, and with a long convulsive shudder he fell forward in a crumpled heap, whilst an odour of bitter almonds filled the air. 