1.(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.
cheekily He strolled cheekily past the commissionaires for a free wash in the gentlemen's cloakroom. 他大大咧咧地从门卫眼前走了过去，没花钱就在男洗手间冲洗了一把。
英英释义
1.offensively bold
e.g. a brash newcomer disputed the age-old rules for admission to the club a nervy thing to say
