ADJ-GRADED
(人或行为)冒失的，调皮的，放肆的
If you describe a person or their behaviour as cheeky, you think that they are slightly rude or disrespectful but in a charming or amusing way.
例句
The boy was cheeky and casual...
那个小男孩有点放肆，随随便便的。
Martin gave her a cheeky grin.
马丁冲着她调皮地笑了笑。