| 51. | dull weather |
| 阴沉的天气
|
| 52. | a dull pupil, class, mind |
| 迟钝的学生, 一班学生, 头脑
|
| 53. | a dull knife |
| 钝刀
|
| 54. | a dull ache |
| 隐约的疼痛
|
| 55. | a picture in warm, dull , bright, etc tones |
| 暖色调的, 暗淡的, 明亮的
|
| 56. | a blunt [ dull ] blade |
| 钝刀
|
| 57. | have a delicate [ dull , feeble, weak] appetite |
| 食欲不振
|
| 58. | a dull [cold] audience |
| 反应迟钝[冷淡]的观众[听众]
|
| 59. | dull the edge of |
| 使变钝；使迟钝；削弱……的锐气
|
| 60. | dull the eye |
| 使眼睛无神；使目光呆滞
|