1.He chalked the message on the blackboard.他用粉筆將消息寫在黑板上。

　　2.The two places, he insists, are as different as chalk and cheese.他堅持說那兩個地方有天壤之別。

　　3.There was a blackboard with seven names chalked on it.黑板上用粉筆寫著7個人名。

　　4.We shall chalk up his good points.我們將記下他的優點。

　　5.The teacher wrote with a stick of chalk.老師用粉筆寫字。