品质: character, intrinsic quality (of a person), quality (of a product or service, or as in quality of life, air quality etc)...
抓紧: to grasp firmly, to pay special attention to, to rush in, to make the most of...
警车: police car...
冲击: to attack, to batter, (of waves) to pound against, shock, impact...
有效: effective, in effect, valid...
地方: area, place, space, room, territory, locality...
谜语: riddle, conundrum...
