礼金用英语怎么说?

估计国外没有这个的．以下可作参考
a study on bride price in rural areas of east gansu province
陇东农村彩礼研究

analysis based on legal principles of the return of betrothal gifts
婚约“彩礼”返还之法理分析

to establish legal basis of the return of betrothal gifts,there must be regulations of voidance of engagement.
婚姻法应明确婚约无效的规定,为彩礼的有条件返还确立法律上的依据。

cash gift

award