31 开药方 to prescribe the medicine32 坚守原则 to stick to the principle33 注意卫生 to emphasize the importance of hygiene34 乱丢垃圾 to litter; to scatter garbage35 美化环境 to beautify the environment36 种植树木 to grow trees37 防止污染 to prevent the pollution38 提升生活质量 to promote the qualities of life39 造成损害 to do damage to40 对．．．有益 to benefit; to be beneficial to41 对．．．有害 to be harmful to; to do harm to42 任意停车 to park the car at random43 制造噪音 to make noises44 占用人行道 to occupy the sidewalk45 妨碍交通 to hinder the traffic46 排放污烟、废气 to belch smoke, exhaust, fume47 造成不便 to cause inconvenience48 造成混乱 to bring about the disorder49 闯红灯 to run through the red light50 利用天桥 to make use of the overpass51 查字典 to consult the dictionary52 屏息 to hold one's breath53 流泪 to shed tears54 符合需要 to meet the demand55 生根 to take root56 产生结果 to bear fruit57 打破沉默 to break the ice58 气馁 to lose heart; to get discouraged59 振作 to pull oneself together; to take heart60 采取步骤 to take steps; to take measures