| 21. | sticks of celery, chalk , charcoal, dynamite, rhubarb, wax |
| 一根根的芹菜, 粉笔, 木炭, 炸药, 食用大黄, 蜡
|
| 22. | chalk down the song on a blackboard |
| 用粉笔把这首歌抄在黑板上
|
| 23. | rub off [rub out，erase] chalk marks |
| 擦去粉笔标记
|
| 24. | walk a [the] chalk line |
| 笔直地走（以表示没有醉）；（口）循规蹈矩
|
| 25. | not know chalk from cheese |
| 什么都不懂，不辨真伪
|
| 26. | make chalk of one and cheese of the other |
| 公平待遇；一视同仁
|
| 27. | walk the chalk |
| 在粉笔线中间直线行走（以证明并未喝醉）；遵守秩序[规矩]
|
| 28. | ( as ) different as chalk from cheese |
| 外貌相似实质不同；似是而非
|
| 29. | by a long chalk [long chalks ] |
| （口）强得多； 好得多；相差得多
|
| 30. | not by a long chalk |
| 一点也不；绝不
|