1. Her shriek was dulled by the loud crash of thunder. 她的尖叫声在震耳的雷声中变得低沉了。
2. Dull roots with spring rain. 迟钝的根须，以春雨。
3. Life without friends is dull and empty. 没有朋友的人生是枯燥的。
英英解释
v.
1. make dull in appearance
2. become dull or lusterless in appearance; lose shine or brightness
3. deaden (a sound or noise), especially by wrapping
4. make numb or insensitive
5. make dull or blunt
6. become less interesting or attractive
7. make less lively or vigorous adj.
1. lacking in liveliness or animation
2. emitting or reflecting very little light
3. being or made softer or less loud or clear
4. so lacking in interest as to cause mental weariness
5. (of color) very low in saturation; highly diluted
6. not keenly felt
7. slow to learn or understand; lacking intellectual acuity
8. (of business) not active or brisk
9. not having a sharp edge or point
10. blunted in responsiveness or sensibility
11. not clear and resonant; sounding as if striking with or against something relatively soft
12. darkened with overcast
