Gurnah's representative short story,Bossy,is a vivid depiction of the psychological trauma of the protagonist"I".From the perspective of the trauma mechanism,accidental events evoke the traumatic memory of the protagonist,and the repetition of the signifier reflects how the traumatic memory is reproduced and rejected by the protagonist,thus making the trauma difficult to heal.The trauma of"I"is not only related to the shock of the death itself,but also to the historical debt of racism and colonialism behind it.In trauma nar-ration,the witnesses of traumatic events often fall into the dilemma of silence and speech.However,for Gurnah,memory and speech trauma are not only his ethical responsibility,but also poetic expressions of his resistance to politics.By portraying the"I"in Bossy as an individual who cannot escape from trauma,Gurnah expressed his uncompromising stand against colonialism and racism.