Looking back, Cran remembers the early 50s as "a happy time, but rather dull."

在克伦的记忆中，50年代初期是“一段快乐的时光，虽然有些无聊。”

youdao

The village itself is pretty, but the surrounding countryside is rather dull.

村子本身很美，但周围的田野相当单调。

《牛津词典》

He's very nice, but I find him rather dull and predictable.

他为人很不错，但我觉得他相当呆板乏味。

《牛津词典》

Not a bad fellow, the driver, but rather dull in conversation.

WSJ: Audi A8 L W12 Exclusive: Luxury Can Be Lonely

Work and school, laundry, dinner, the things that happened in their lives were not part of the brightness that she and Roy had glimpsed but were, rather, dull, quite expected, and entirely unastonishing.

NEWYORKER: The Yellow

They now offer cars that are just as reliable but far more exciting than the rather dull vehicles Toyota has concentrated on producing in ever-larger numbers.

ECONOMIST: Struggling giants