1. Obviously, it is high/(about) time that we took some effective measures to solve the problem. 显然,早该采取一些积极的措施来解决问题。 写作高手使用的高难度表达: I suggest the department concerned taking some effective measures to improve the present situation. 我建议有关部门采取一些有效措施改善现状。 2. Since he went to senior high school, he has worked very hard. 自从他上高中,他一直很用功。 3. We should spare no effort to beautify our environment. 我们应该不遗余力的美化我们的环境。 4. Smoking has a great influence on our health. 吸烟对我们的健康有很大的影响。 5. As a proverb says, /( As is well known to us,) storms make trees take deeper roots. 有句名言说道:风暴使树木深深扎根。