僵局: impasse, deadlock...
屠杀: to massacre, massacre, bloodbath, carnage...
伤痕: scar, bruise...
仔细: careful, attentive, cautious...
暴躁: irascible, irritable, violent...
发票: invoice, receipt or bill for purchase...
回: (a measure word for matters or actions) a time, to circle, to go back, to turn around, to answer, to return, to revolve, Islam...
弹钢琴: play piano...
挂念: concerned...
艰苦: difficult, hard, arduous...