扱いなさい

handle, treat

→ 扱う
扱い handle, deal with + なさい Polite imperative
verb · imperative Rare #41,978
handle, treat A directive meaning “handle/treat ...”; it is commonly used by a teacher, parent, or other authority.
JA: この道具を大切に扱いなさい。
EN: Handle this tool carefully.
Conjugation of 扱う
Imperative
扱いなさい

十分注意してそれを扱いなさい

Handle it with great care.

召使いもっと親切に扱いなさい

Treat the servants more kindly.

コップ丁寧に扱いなさい

Handle the glasses carefully.