英语翻译Some of us looked with one eye and held up certain color

英语翻译
Some of us looked with one eye and held up certain colors against the blackboard,rocking the sheets to the right or left while we conjured up our designs.
上下文：We studied the board critically.Some of us looked with one eye and held up certain colors against the blackboard,rocking the sheets to the right or left while we conjured up our designs.Others twisted their hair around their fingers or chewed their erasers while deep in thought.We had plans for that ten—dollar grand prize,each and every one of us.I'm going to spend mine on candies,one hopeful would announce,while another practiced looking serious,wise and rich.