1. a piece of cake：小菜一碟。例句： The math test was a piece of cake for him because he had studied hard.（这次数学测试对他来说是小菜一碟，因为他学习很努力。）2. at the end of the day：最终，说到底。例 句 ： At the end of the day, it's your effort that determines your success.（最终，决定你成功的是你的努力。）3. make a difference：有影响，起作用。例句：Even the smallest act of kindness can make a difference in someone's life.（即使是最微小的善举，也能对某人的生活产生影响。）4. out of the question：不可能的。例句：Going to the moon for a vacation is out of the question for most people.（对大多数人来说，去月球度假是不可能的。）5. on the verge of：濒临，接近。例句：The company was on the verge of bankruptcy before the new manager took over.（在新经理接手之前，这家公司濒临破产。）6. keep in mind：记住。例 句 ： Keep in mind that you should always be honest with others.（要记住，你应该始终对他人诚实。）7. in the meantime：在此期间。例 句 ： The project will take two months to complete. In the meantime, we can start preparing the next - phase work.（这个项目需要两个月完成。在此期间，我们可以开始准备下一阶段的工作。）8. by all means：当然可以，务必。例句：By all means, take your time to finish the report.（当然可以，你慢慢完成这份报告。）9. come up with：想出，提出。例句：The students came up with some creative ideas for the school project.（学生们为学校的项目想出了一些有创意的想法。）10. in the blink of an eye：转瞬之间。例句：The children grew up in the blink of an eye.（孩子们转瞬之间就长大了。）11. hit the nail on the head：一语中的。例句：The teacher hit the nail on the head when she pointed out the main problem in my essay.（老师指出我文章中的主要问题时，一语中的。）12. under the weather：身体不适。例句：I'm feeling a bit under the weather today, so I won't...
