| 41. | in [with] relation to |
| 关于…，有关…；与…相比
|
| 42. | be out of (all) relation to sth |
| 同某事（完全）不相称
|
| 43. | with relation to that affair |
| 关于那件事
|
| 44. | the relation between cause and effect |
| 因果关系
|
| 45. | the relation of father and son |
| 父子关系
|
| 46. | the relation of Confucianism to Buddhism |
| 儒教与佛教的关系
|
| 47. | she is no relation to me |
| 她并非我的亲属
|
| 48. | a relation by marriage |
| 姻亲
|
| 49. | during the progress of the investigation on the relation of the house fly to disease |
| 在对家蝇与疾病关系的调查过程中
|
| 50. | the consul's relation with his own nationals |
| 领事与其侨胞的关系
|