无意中

undesignedly; unconsciously; unawares; unintentionally

造成

cause; create; make; render; lead to; bring about; result in; engender; give rise to; generate; occasion; spawn; provoke; pose; wreak; stir; trigger; precipitate; induce; conspire

伤害

harm; damage; injure; wound; abuse; bully; molest; nip; detriment; ill; mischief; bloodletting