adj.淘气的;恶作剧的;有害的;
例句:
a mischievous boy
淘气的男孩
The girls mischievous pranks at school make trouble for her family.
那女孩在学校里淘气的恶作剧给她家里惹上了麻烦.
a mischievous grin/smile/look
顽皮地咧着嘴笑;顽皮地微微一笑;显出淘气的神情