offhand
🇺🇸
/ˌɔːfˈhænd/
🇬🇧
/ˌɒfˈhænd/
acting without much care or interest
His offhand way of responding made me feel unimportant.
他隨意的回應方式讓我感覺不重要。
without preparing or thinking in advance
I can't remember the details offhand.
我想不起來那些細節。