dull
adj. /dʌl/ B1
乏味的；枯燥的
Not interesting or exciting; boring.
仙境例句
“Mabel's house is so dull, with no toys at all,” thought Alice.
“梅布尔家太没意思了，一个玩具都没有。”爱丽丝心想。
原著这一句
“We called him Tortoise because he taught us,” said the Mock Turtle angrily: “really you are very dull!”
“叫他先生是因为他教我们生字！”假海龟生气地反驳，“你这孩子脑子真笨！”
卡罗尔原著 · 第 9 章