最有成就感及最挫折的事英文

最有成就感的事情（英文）：Accomplishing a goal that you have been working towards for a long time, achieving success in a project or career, or making a significant contribution to a cause that you believe in.

最挫折的事情（英文）：Any situation that causes you to doubt your abilities, face setbacks, or feel overwhelmed by challenges, such as failure in a project, loss of a job, or dealing with personal issues that make you feel hopeless.