在英语中，表达“表现不错”可以用多种方式，以下是一些常见的表达方法：
- “You did well.”
- “You’re doing a great job.”
- “That was impressive.”
- “You performed well.”
- “You’ve done a fantastic job.”
- “You really hit the nail on the head.”
- “You’ve done an excellent job.”
- “You’ve done a good job.”
- “You’ve impressed me.”
- “You’ve really stepped up to the plate.”
这些表达可以根据具体情境和想要传达的语气进行选择。例如，如果是在正式场合，可能会使用 “You performed well.” 或 “You’ve done an excellent job.“；而在非正式场合，则可能会用 “You did well.” 或 “You’re doing a great job.” 来表达。