Good performance usually gets good evaluation and affirmation. For example, if a student gets excellent results in the final exam, the teacher will affirm his performance and praise him: "You did well in this exam, keep working hard!" " This can motivate students to study harder. At work, employees' outstanding performance will also be appreciated and rewarded by the company.
There are many words with similar meanings to "good", such as: not bad, not bad, indifferent, ok, not bad, great, etc. They are all words used to express a thing or a person doing better or not bad. In daily communication, different occasions and different people will use different words to express their evaluation of something. Through these different words, we can also feel the differences in speech expression and cultural background.