| 31. | a baker's [devil's, long, printer's] dozen |
| 十三个
|
| 32. | do one's daily dozen |
| （美口）每天做健身操
|
| 33. | half a dozen |
| （约）六个
|
| 34. | be six of one and half a dozen of the other |
| 半斤八两，差不多
|
| 35. | a round dozen |
| 整整一打
|
| 36. | some dozen of eggs |
| 一打左右的鸡蛋
|
| 37. | sell by the dozen |
| 论打出售
|
| 38. | talk [speak] nineteen [twenty, forty] to the dozen |
| （口）说个滔滔不绝
|
| 39. | six of one and half a dozen of the other |
| 半斤八两，差不多
|
| 40. | talk nineteen to the dozen |
| 喋喋不休
|