| 21. | join in a contest [campaign, movement, chorus ] |
| 参加竞赛［战役、运动、合唱］
|
| 22. | a female [male] chorus |
| 女声[男声]合唱
|
| 23. | a mixed chorus |
| 男女[混声]合唱
|
| 24. | the school chorus |
| 学校合唱团
|
| 25. | the wild chorus of laughter |
| 齐声狂笑
|
| 26. | laugh [protest] in chorus |
| 齐声大笑[抗议]
|
| 27. | sing [read] in chorus |
| 齐声合唱[朗读]
|
| 28. | a chorus for men's [male] voices |
| 男声合唱（曲）
|
| 29. | a chorus of approval |
| 异口同声的赞成
|
| 30. | a chorus of replies in the affirmative |
| 一致肯定的回答
|