1：We should take some effective measures.我们应该采取有效措施
2：We should try our best to overcome/conquer the difficulties.我们应该尽最大努力去克服困难
3：We should do our utmost in doing sth.我们应该尽力去做……
4：We should solve the problems that we are confronted/faced with.我们应该解决我们面临的困难