是贬义词，意思是淘气的、顽皮的，例如：
1.It is unfair to label a small baby as naughty.硬说一个小小的婴儿淘气是不公平的。
2.You can guarantee the children will start being naughty as soon as they have to go to bed.孩子一到该上床睡觉时一定就不听话了。
3.I'm being very naughty ─ I've ordered champagne!我今天放肆一回——我要了香槟了！
