Encara no tenim significats per a "be a blackboard".
1Part of this may be a blackboard without costing more, and at the top a shelf can be placed for toys.
2You look like your face was a blackboard and someone just wiped you clean.'
3There was a blackboard, a globe, the pitted school floor, and the schoolroom smell.
4There was a blackboard that used to sit on the footpath outside my favourite pub.
5At one end there was a blackboard and a large table behind which stood the Master.
6But in the foreground is a blackboard with the menu of the day in bold cursive handwriting.
7Your mind was a blackboard.
8The mind was a blackboard.
9Invariably there is a blackboard with jobs, wages and hours written in chalk for the benefit of men seeking employment.
10There was a blackboard on the wall which told how many prisoners were in the institution and what they were getting.
11At one end of the old schoolroom, behind the teacher's desk, was a blackboard with its accompanying chalk, erasers, rulers, and bits of string.
12And there was a blackboard and some building blocks, and a toy top, and toy horns, and a printing press and a phonograph, and oh!