Chinese Words and Grammar: 还不错！(hái bú cuò!) Not Bad! (Beginner)
Example:
Zhècì de hànyǔ yǔfǎ kǎoshì, nǐ kǎo de zěnmeyàng?
A: 这次的汉语语法考试，你考的怎么样？
How about your Chinese grammar test this time?
Hái bú cuò.
B: 还不错。
Not Bad.
Tài hǎo le! Gōngxǐ nǐ!
A: 太好了！恭喜你！
Great! Congratulations!
Further Reading:
◆ Sorry (Beginner) 抱歉 (初级)
HSK Test
General Chinese (Beginner Level)
General Chinese (Intermediate Level)