一概: all, without any exceptions, categorically...
冷笑: to sneer, to laugh grimly, grin of dissatisfaction (bitterness, helplessness, indignation etc), bitter, grim, sarcastic or angry smile...
发: to send out, to show (one's feeling), to issue, to develop, to make a bundle of money, classifier for gunshots (rounds)...
眼泪: tears, crying...
巷: lane, alley...
写字楼: office building...
单一: single, only, sole...
一心一意: concentrating one's thoughts and efforts, single-minded, bent on, intently...
后备箱: trunk, boot (of a car)...
通顺: smooth, clear and coherent...