1.complex adj. 复杂的; 难懂的; 复合的
例句:This project involves a lot of complex technical problems.
这个方案牵涉到许多复杂的技术问题。
2.imagine vt. 想像; 想,设想
例句:He could not imagine a more peaceful scene
他想象不出比这更祥和的景象。
3.suspect vt. 猜疑(是); 怀疑,不信任
例句:I suspect they were right
我感觉他们是对的。
4.organize vt.组织; 安排; 规划
例句:In the end, we all decided to organize a concert for Easter.
最终,我们一致决定组织一场复活节音乐会。