offhand

一時、當下、立刻常與 can't、couldn't 連用

I can't tell you offhand how much the repairs will cost.

我一時說不出這些維修要花多少錢。

隨口、不加思索

Offhand, I'd guess about thirty people attended the talk.

我隨口猜，大概有三十個人去聽那場演講。

漫不經心地、隨便地

She mentioned her promotion quite offhand during lunch.

她在午餐時很隨口地提到自己升職的事。

即席的、未經準備的、隨口的

His offhand remark about the budget caused real confusion.

他關於預算的那句隨口之言造成了不小的混亂。

冷淡的、不客氣的、態度隨便的貶義

The clerk was rather offhand with customers who asked questions.

那名員工對提問的客人態度相當冷淡。