un-, 不，非，ceremonious, 仪式的，有礼的。

1. He was bundled out of the room with unceremonious haste.

他被粗暴地轰出屋外。

来自《权威词典》

2. There was an unceremonious directness, a searching, decided steadfastness in his gaze now.

现在他的凝视中有一种不礼貌的直率, 一种锐利 、 断然的坚定.

来自辞典例句

3. She finished the meal with unceremonious haste.

她狼吞虎咽地把饭吃完.

来自互联网

4. The dinner was a relaxed, unceremonious occasion.

那次宴会很轻松, 随随便便.

来自互联网