调皮 (tiáo pí): Naughty (Adjective) — Meaning & Stroke Order

Although he is usually mischievous, he behaves politely on formal occasions.

Don't you think that mischievous little boy needs more guidance?

He is not inherently naughty; he just occasionally uses pranks to attract attention.

Although he was mischievous when he was young, he always studied diligently.