| 1 | A full belly makes a dull brain. | |
| 2 | She gave the stranger a wooden stare. | |
| 3 | If you don't, you are a dull boy. | |
| 4 | He began to cry and swear foolishly. | |
| 5 | He came across as a dull-witted manager incapable of running the department. |
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