1. Don't vainly attempt to take a big success in several days or weeks.
不要妄想在几天或几周内就能成翻大事。
2. Don`t vainly attempt to build Rome in several days or weeks.
不要妄想在几天或几周内就能成就一翻大事。
3. Don`t vainly attempt to achieve a great matter in some days or some weeks.
不要妄想在几天或几周内就能成就一翻大事。
4. To realize our dreams, we'd better do our best after a good preparation, which is more significative, rather than vainly attempt to get some other impossible help.
为了实现自己的梦想，我们不要妄想不现实的援助，最好在充分的准备后尽自己的努力，这样才更有意义。
5. Before the y fled the country, the enemy vainly attempt ed to destroy all the factories.
敌人在逃往国外前，妄图把所有工厂都毁掉。